157182020701 has 2 divisors, whose sum is σ = 157182020702. Its totient is φ = 157182020700.

The previous prime is 157182020641. The next prime is 157182020813. The reversal of 157182020701 is 107020281751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 152608203801 + 4573816900 = 390651^2 + 67630^2 .

It is a cyclic number.

It is not a de Polignac number, because 157182020701 - 2¹⁹ = 157181496413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157182020101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78591010350 + 78591010351.

It is an arithmetic number, because the mean of its divisors is an integer number (78591010351).

Almost surely, 2^157182020701 is an apocalyptic number.

It is an amenable number.

157182020701 is a deficient number, since it is larger than the sum of its proper divisors (1).

157182020701 is an equidigital number, since it uses as much as digits as its factorization.

157182020701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 34.

The spelling of 157182020701 in words is "one hundred fifty-seven billion, one hundred eighty-two million, twenty thousand, seven hundred one".