11983398402 has 16 divisors (see below), whose sum is σ = 24255554400. Its totient is φ = 3946339872.

The previous prime is 11983398391. The next prime is 11983398407. The reversal of 11983398402 is 20489338911.

It is a super-2 number, since 2×11983398402² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11983398407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031027 + ... + 12032022.

It is an arithmetic number, because the mean of its divisors is an integer number (1515972150).

Almost surely, 2^11983398402 is an apocalyptic number.

11983398402 is an abundant number, since it is smaller than the sum of its proper divisors (12272155998).

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

11983398402 is a wasteful number, since it uses less digits than its factorization.

11983398402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24063137.

The product of its (nonzero) digits is 373248, while the sum is 48.

The spelling of 11983398402 in words is "eleven billion, nine hundred eighty-three million, three hundred ninety-eight thousand, four hundred two".