112215521615157 has 16 divisors (see below), whose sum is σ = 166245703025280. Its totient is φ = 74810129125536.

The previous prime is 112215521615137. The next prime is 112215521615189. The reversal of 112215521615157 is 751516125512211.

It is a happy number.

112215521615157 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 1 + 5 + 5 + 21 + 615 + 1 + 5 + 7 = 666.

It is not a de Polignac number, because 112215521615157 - 2¹⁴ = 112215521598773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112215521615137) 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, 3618913 + ... + 15411929.

It is an arithmetic number, because the mean of its divisors is an integer number (10390356439080).

Almost surely, 2^{112215521615157} is an apocalyptic number.

It is an amenable number.

112215521615157 is a deficient number, since it is larger than the sum of its proper divisors (54030181410123).

112215521615157 is a wasteful number, since it uses less digits than its factorization.

112215521615157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145449 (or 12145443 counting only the distinct ones).

The product of its digits is 210000, while the sum is 45.

The spelling of 112215521615157 in words is "one hundred twelve trillion, two hundred fifteen billion, five hundred twenty-one million, six hundred fifteen thousand, one hundred fifty-seven".