11687557383812 has 48 divisors (see below), whose sum is σ = 21610337784000. Its totient is φ = 5515484171904.

The previous prime is 11687557383811. The next prime is 11687557383829. The reversal of 11687557383812 is 21838375578611.

It is not an unprimeable number, because it can be changed into a prime (11687557383811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176572139 + ... + 176638317.

It is an arithmetic number, because the mean of its divisors is an integer number (450215370500).

Almost surely, 2^{11687557383812} is an apocalyptic number.

It is an amenable number.

11687557383812 is a deficient number, since it is larger than the sum of its proper divisors (9922780400188).

11687557383812 is a wasteful number, since it uses less digits than its factorization.

11687557383812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74868 (or 74866 counting only the distinct ones).

The product of its digits is 67737600, while the sum is 65.

The spelling of 11687557383812 in words is "eleven trillion, six hundred eighty-seven billion, five hundred fifty-seven million, three hundred eighty-three thousand, eight hundred twelve".