157341023261 has 4 divisors (see below), whose sum is σ = 157416416352. Its totient is φ = 157265630172.

The previous prime is 157341023251. The next prime is 157341023263. The reversal of 157341023261 is 162320143751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 162320143751 = 12263 ⋅13236577.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157341023261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157341023263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37693415 + ... + 37697588.

It is an arithmetic number, because the mean of its divisors is an integer number (39354104088).

Almost surely, 2^157341023261 is an apocalyptic number.

It is an amenable number.

157341023261 is a deficient number, since it is larger than the sum of its proper divisors (75393091).

157341023261 is an equidigital number, since it uses as much as digits as its factorization.

157341023261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75393090.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 157341023261 in words is "one hundred fifty-seven billion, three hundred forty-one million, twenty-three thousand, two hundred sixty-one".