11387927488 has 56 divisors (see below), whose sum is σ = 26524236512. Its totient is φ = 4748626944.

The previous prime is 11387927483. The next prime is 11387927543. The reversal of 11387927488 is 88472978311.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387927483) 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, 326931 + ... + 360082.

Almost surely, 2^11387927488 is an apocalyptic number.

It is an amenable number.

11387927488 is an abundant number, since it is smaller than the sum of its proper divisors (15136309024).

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

11387927488 is an equidigital number, since it uses as much as digits as its factorization.

11387927488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687069 (or 687059 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 58.

The spelling of 11387927488 in words is "eleven billion, three hundred eighty-seven million, nine hundred twenty-seven thousand, four hundred eighty-eight".