11887402402 has 16 divisors (see below), whose sum is σ = 19276871040. Its totient is φ = 5478688368.

The previous prime is 11887402399. The next prime is 11887402411. The reversal of 11887402402 is 20420478811.

It is a happy number.

It is a super-4 number, since 4×11887402402⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4225978 + ... + 4228789.

It is an arithmetic number, because the mean of its divisors is an integer number (1204804440).

Almost surely, 2^11887402402 is an apocalyptic number.

11887402402 is a deficient number, since it is larger than the sum of its proper divisors (7389468638).

11887402402 is a wasteful number, since it uses less digits than its factorization.

11887402402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454825.

The product of its (nonzero) digits is 28672, while the sum is 37.

The spelling of 11887402402 in words is "eleven billion, eight hundred eighty-seven million, four hundred two thousand, four hundred two".