157511542957 has 2 divisors, whose sum is σ = 157511542958. Its totient is φ = 157511542956.

The previous prime is 157511542949. The next prime is 157511542997. The reversal of 157511542957 is 759245115751.

It is a happy number.

157511542957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99514380681 + 57997162276 = 315459^2 + 240826^2 .

It is a cyclic number.

It is not a de Polignac number, because 157511542957 - 2³ = 157511542949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157511542907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78755771478 + 78755771479.

It is an arithmetic number, because the mean of its divisors is an integer number (78755771479).

Almost surely, 2^157511542957 is an apocalyptic number.

It is an amenable number.

157511542957 is a deficient number, since it is larger than the sum of its proper divisors (1).

157511542957 is an equidigital number, since it uses as much as digits as its factorization.

157511542957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2205000, while the sum is 52.

The spelling of 157511542957 in words is "one hundred fifty-seven billion, five hundred eleven million, five hundred forty-two thousand, nine hundred fifty-seven".