13111025454 has 24 divisors (see below), whose sum is σ = 29386782360. Its totient is φ = 4219640208.

The previous prime is 13111025453. The next prime is 13111025527. The reversal of 13111025454 is 45452011131.

13111025454 is a `hidden beast` number, since 1 + 3 + 1 + 110 + 2 + 545 + 4 = 666.

It is a super-2 number, since 2×13111025454² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111025453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12557932 + ... + 12558975.

It is an arithmetic number, because the mean of its divisors is an integer number (1224449265).

Almost surely, 2^13111025454 is an apocalyptic number.

13111025454 is an abundant number, since it is smaller than the sum of its proper divisors (16275756906).

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

13111025454 is a wasteful number, since it uses less digits than its factorization.

13111025454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25116944 (or 25116941 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 13111025454 its reverse (45452011131), we get a palindrome (58563036585).

The spelling of 13111025454 in words is "thirteen billion, one hundred eleven million, twenty-five thousand, four hundred fifty-four".