115122155220372 has 24 divisors (see below), whose sum is σ = 269216621352000. Its totient is φ = 38288586144256.

The previous prime is 115122155220361. The next prime is 115122155220421. The reversal of 115122155220372 is 273022551221511.

It is a super-2 number, since 2×115122155220372² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115122155220372.

It is a congruent number.

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, 10683193872 + ... + 10683204647.

It is an arithmetic number, because the mean of its divisors is an integer number (11217359223000).

Almost surely, 2^{115122155220372} is an apocalyptic number.

115122155220372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115122155220372 is an abundant number, since it is smaller than the sum of its proper divisors (154094466131628).

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

115122155220372 is a wasteful number, since it uses less digits than its factorization.

115122155220372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21366398975 (or 21366398973 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 115122155220372 in words is "one hundred fifteen trillion, one hundred twenty-two billion, one hundred fifty-five million, two hundred twenty thousand, three hundred seventy-two".