11454261151554 has 128 divisors (see below), whose sum is σ = 27651165696000. Its totient is φ = 3493703513664.

The previous prime is 11454261151547. The next prime is 11454261151559. The reversal of 11454261151554 is 45515116245411.

It is a happy number.

11454261151554 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 42 + 6 + 1 + 1 + 51 + 554 = 666.

11454261151554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11454261151554² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11454261151559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64214839 + ... + 64392965.

It is an arithmetic number, because the mean of its divisors is an integer number (216024732000).

Almost surely, 2^{11454261151554} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11454261151554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13825582848000).

11454261151554 is an abundant number, since it is smaller than the sum of its proper divisors (16196904544446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11454261151554 is a wasteful number, since it uses less digits than its factorization.

11454261151554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178949 (or 178943 counting only the distinct ones).

The product of its digits is 480000, while the sum is 45.

Adding to 11454261151554 its reverse (45515116245411), we get a palindrome (56969377396965).

The spelling of 11454261151554 in words is "eleven trillion, four hundred fifty-four billion, two hundred sixty-one million, one hundred fifty-one thousand, five hundred fifty-four".