11387123312 has 10 divisors (see below), whose sum is σ = 22062551448. Its totient is φ = 5693561648.

The previous prime is 11387123309. The next prime is 11387123347. The reversal of 11387123312 is 21332178311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355847588 + ... + 355847619.

Almost surely, 2^11387123312 is an apocalyptic number.

It is an amenable number.

11387123312 is a deficient number, since it is larger than the sum of its proper divisors (10675428136).

11387123312 is an equidigital number, since it uses as much as digits as its factorization.

11387123312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711695215 (or 711695209 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The spelling of 11387123312 in words is "eleven billion, three hundred eighty-seven million, one hundred twenty-three thousand, three hundred twelve".