157516121112 has 64 divisors (see below), whose sum is σ = 450759590400. Its totient is φ = 44933253120.

The previous prime is 157516121093. The next prime is 157516121117. The reversal of 157516121112 is 211121615751.

It is a super-2 number, since 2×157516121112² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157516121117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 636937 + ... + 848952.

It is an arithmetic number, because the mean of its divisors is an integer number (7043118600).

Almost surely, 2^157516121112 is an apocalyptic number.

157516121112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157516121112 is an abundant number, since it is smaller than the sum of its proper divisors (293243469288).

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

157516121112 is a wasteful number, since it uses less digits than its factorization.

157516121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486536 (or 1486532 counting only the distinct ones).

The product of its digits is 4200, while the sum is 33.

Adding to 157516121112 its reverse (211121615751), we get a palindrome (368637736863).

The spelling of 157516121112 in words is "one hundred fifty-seven billion, five hundred sixteen million, one hundred twenty-one thousand, one hundred twelve".