13901111902 has 4 divisors (see below), whose sum is σ = 20851667856. Its totient is φ = 6950555950.

The previous prime is 13901111891. The next prime is 13901111929. The reversal of 13901111902 is 20911110931.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×13901111902² (a number of 21 digits) contains 22 as substring.

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, 3475277974 + ... + 3475277977.

It is an arithmetic number, because the mean of its divisors is an integer number (5212916964).

Almost surely, 2^13901111902 is an apocalyptic number.

13901111902 is a deficient number, since it is larger than the sum of its proper divisors (6950555954).

13901111902 is an equidigital number, since it uses as much as digits as its factorization.

13901111902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6950555953.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 13901111902 in words is "thirteen billion, nine hundred one million, one hundred eleven thousand, nine hundred two".