11351400504 has 128 divisors (see below), whose sum is σ = 29445768000. Its totient is φ = 3644825600.

The previous prime is 11351400503. The next prime is 11351400509. The reversal of 11351400504 is 40500415311.

It is a happy number.

It is a super-2 number, since 2×11351400504² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11351400503) 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, 19142032 + ... + 19142624.

Almost surely, 2^11351400504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11351400504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14722884000).

11351400504 is an abundant number, since it is smaller than the sum of its proper divisors (18094367496).

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

11351400504 is a wasteful number, since it uses less digits than its factorization.

11351400504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 11351400504 its reverse (40500415311), we get a palindrome (51851815815).

The spelling of 11351400504 in words is "eleven billion, three hundred fifty-one million, four hundred thousand, five hundred four".