11631460728 has 32 divisors (see below), whose sum is σ = 29103724800. Its totient is φ = 3873810528.

The previous prime is 11631460727. The next prime is 11631460781. The reversal of 11631460728 is 82706413611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631460727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180448 + ... + 236271.

It is an arithmetic number, because the mean of its divisors is an integer number (909491400).

Almost surely, 2^11631460728 is an apocalyptic number.

It is an amenable number.

11631460728 is an abundant number, since it is smaller than the sum of its proper divisors (17472264072).

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

11631460728 is a wasteful number, since it uses less digits than its factorization.

11631460728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417891 (or 417887 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 11631460728 in words is "eleven billion, six hundred thirty-one million, four hundred sixty thousand, seven hundred twenty-eight".