11687487316 has 12 divisors (see below), whose sum is σ = 21158382420. Its totient is φ = 5642235200.

The previous prime is 11687487307. The next prime is 11687487349. The reversal of 11687487316 is 61378478611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3507008400 + 8180478916 = 59220^2 + 90446^2 .

It is a congruent number.

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, 50376985 + ... + 50377216.

It is an arithmetic number, because the mean of its divisors is an integer number (1763198535).

Almost surely, 2^11687487316 is an apocalyptic number.

It is an amenable number.

11687487316 is a deficient number, since it is larger than the sum of its proper divisors (9470895104).

11687487316 is a wasteful number, since it uses less digits than its factorization.

11687487316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100754234 (or 100754232 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 52.

The spelling of 11687487316 in words is "eleven billion, six hundred eighty-seven million, four hundred eighty-seven thousand, three hundred sixteen".