157121606953 has 2 divisors, whose sum is σ = 157121606954. Its totient is φ = 157121606952.

The previous prime is 157121606951. The next prime is 157121607011. The reversal of 157121606953 is 359606121751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111617464464 + 45504142489 = 334092^2 + 213317^2 .

It is a cyclic number.

It is not a de Polignac number, because 157121606953 - 2¹ = 157121606951 is a prime.

Together with 157121606951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (157121606951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78560803476 + 78560803477.

It is an arithmetic number, because the mean of its divisors is an integer number (78560803477).

Almost surely, 2^157121606953 is an apocalyptic number.

It is an amenable number.

157121606953 is a deficient number, since it is larger than the sum of its proper divisors (1).

157121606953 is an equidigital number, since it uses as much as digits as its factorization.

157121606953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 157121606953 in words is "one hundred fifty-seven billion, one hundred twenty-one million, six hundred six thousand, nine hundred fifty-three".