151601215659977 has 2 divisors, whose sum is σ = 151601215659978. Its totient is φ = 151601215659976.

The previous prime is 151601215659919. The next prime is 151601215660021. The reversal of 151601215659977 is 779956512106151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105780175932601 + 45821039727376 = 10284949^2 + 6769124^2 .

It is a cyclic number.

It is not a de Polignac number, because 151601215659977 - 2¹⁴ = 151601215643593 is a prime.

It is not a weakly prime, because it can be changed into another prime (151601215655977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75800607829988 + 75800607829989.

It is an arithmetic number, because the mean of its divisors is an integer number (75800607829989).

Almost surely, 2^{151601215659977} is an apocalyptic number.

It is an amenable number.

151601215659977 is a deficient number, since it is larger than the sum of its proper divisors (1).

151601215659977 is an equidigital number, since it uses as much as digits as its factorization.

151601215659977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35721000, while the sum is 65.

The spelling of 151601215659977 in words is "one hundred fifty-one trillion, six hundred one billion, two hundred fifteen million, six hundred fifty-nine thousand, nine hundred seventy-seven".