11143601264454 has 64 divisors (see below), whose sum is σ = 22847284846848. Its totient is φ = 3621507926400.

The previous prime is 11143601264441. The next prime is 11143601264459. The reversal of 11143601264454 is 45446210634111.

It is a super-2 number, since 2×11143601264454² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11143601264459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442703289 + ... + 442728459.

It is an arithmetic number, because the mean of its divisors is an integer number (356988825732).

Almost surely, 2^{11143601264454} is an apocalyptic number.

11143601264454 is an abundant number, since it is smaller than the sum of its proper divisors (11703683582394).

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

11143601264454 is a wasteful number, since it uses less digits than its factorization.

11143601264454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28293.

The product of its (nonzero) digits is 276480, while the sum is 42.

Adding to 11143601264454 its reverse (45446210634111), we get a palindrome (56589811898565).

The spelling of 11143601264454 in words is "eleven trillion, one hundred forty-three billion, six hundred one million, two hundred sixty-four thousand, four hundred fifty-four".