157015753691 has 2 divisors, whose sum is σ = 157015753692. Its totient is φ = 157015753690.

The previous prime is 157015753673. The next prime is 157015753693. The reversal of 157015753691 is 196357510751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157015753691 - 2¹⁸ = 157015491547 is a prime.

Together with 157015753693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (157015753693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78507876845 + 78507876846.

It is an arithmetic number, because the mean of its divisors is an integer number (78507876846).

Almost surely, 2^157015753691 is an apocalyptic number.

157015753691 is a deficient number, since it is larger than the sum of its proper divisors (1).

157015753691 is an equidigital number, since it uses as much as digits as its factorization.

157015753691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 992250, while the sum is 50.

The spelling of 157015753691 in words is "one hundred fifty-seven billion, fifteen million, seven hundred fifty-three thousand, six hundred ninety-one".