2112552157 has 2 divisors, whose sum is σ = 2112552158. Its totient is φ = 2112552156.

The previous prime is 2112552049. The next prime is 2112552161. The reversal of 2112552157 is 7512552112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085657561 + 26894596 = 45669^2 + 5186^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112552157 - 2²³ = 2104163549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112552187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056276078 + 1056276079.

It is an arithmetic number, because the mean of its divisors is an integer number (1056276079).

Almost surely, 2^2112552157 is an apocalyptic number.

It is an amenable number.

2112552157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112552157 is an equidigital number, since it uses as much as digits as its factorization.

2112552157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7000, while the sum is 31.

The square root of 2112552157 is about 45962.5081669832. The cubic root of 2112552157 is about 1283.1255317593.

The spelling of 2112552157 in words is "two billion, one hundred twelve million, five hundred fifty-two thousand, one hundred fifty-seven".