155850474713 has 2 divisors, whose sum is σ = 155850474714. Its totient is φ = 155850474712.

The previous prime is 155850474623. The next prime is 155850474727. The reversal of 155850474713 is 317474058551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88930993369 + 66919481344 = 298213^2 + 258688^2 .

It is a cyclic number.

It is not a de Polignac number, because 155850474713 - 2²⁴ = 155833697497 is a prime.

It is not a weakly prime, because it can be changed into another prime (155850474413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77925237356 + 77925237357.

It is an arithmetic number, because the mean of its divisors is an integer number (77925237357).

Almost surely, 2^155850474713 is an apocalyptic number.

It is an amenable number.

155850474713 is a deficient number, since it is larger than the sum of its proper divisors (1).

155850474713 is an equidigital number, since it uses as much as digits as its factorization.

155850474713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352000, while the sum is 50.

The spelling of 155850474713 in words is "one hundred fifty-five billion, eight hundred fifty million, four hundred seventy-four thousand, seven hundred thirteen".