11831148552 has 16 divisors (see below), whose sum is σ = 29577871440. Its totient is φ = 3943716176.

The previous prime is 11831148547. The next prime is 11831148583. The reversal of 11831148552 is 25584113811.

It is a self number, because there is not a number n which added to its sum of digits gives 11831148552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246482238 + ... + 246482285.

It is an arithmetic number, because the mean of its divisors is an integer number (1848616965).

Almost surely, 2^11831148552 is an apocalyptic number.

11831148552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11831148552 is an abundant number, since it is smaller than the sum of its proper divisors (17746722888).

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

11831148552 is a wasteful number, since it uses less digits than its factorization.

11831148552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492964532 (or 492964528 counting only the distinct ones).

The product of its digits is 38400, while the sum is 39.

The spelling of 11831148552 in words is "eleven billion, eight hundred thirty-one million, one hundred forty-eight thousand, five hundred fifty-two".