111901837157 has 8 divisors (see below), whose sum is σ = 123446358720. Its totient is φ = 100585920160.

The previous prime is 111901837121. The next prime is 111901837211. The reversal of 111901837157 is 751738109111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111901837157 - 2⁶ = 111901837093 is a prime.

It is a super-2 number, since 2×111901837157² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111901857157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57150113 + ... + 57152070.

It is an arithmetic number, because the mean of its divisors is an integer number (15430794840).

Almost surely, 2^111901837157 is an apocalyptic number.

It is an amenable number.

111901837157 is a deficient number, since it is larger than the sum of its proper divisors (11544521563).

111901837157 is a wasteful number, since it uses less digits than its factorization.

111901837157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114302283.

The product of its (nonzero) digits is 52920, while the sum is 44.

The spelling of 111901837157 in words is "one hundred eleven billion, nine hundred one million, eight hundred thirty-seven thousand, one hundred fifty-seven".