157511542907 has 2 divisors, whose sum is σ = 157511542908. Its totient is φ = 157511542906.

The previous prime is 157511542889. The next prime is 157511542949. The reversal of 157511542907 is 709245115751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157511542907 - 2⁸ = 157511542651 is a prime.

It is a super-2 number, since 2×157511542907² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (157511542957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78755771453 + 78755771454.

It is an arithmetic number, because the mean of its divisors is an integer number (78755771454).

Almost surely, 2^157511542907 is an apocalyptic number.

157511542907 is a deficient number, since it is larger than the sum of its proper divisors (1).

157511542907 is an equidigital number, since it uses as much as digits as its factorization.

157511542907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 47.

The spelling of 157511542907 in words is "one hundred fifty-seven billion, five hundred eleven million, five hundred forty-two thousand, nine hundred seven".