151131720253 has 2 divisors, whose sum is σ = 151131720254. Its totient is φ = 151131720252.

The previous prime is 151131720209. The next prime is 151131720263. The reversal of 151131720253 is 352027131151.

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., 132527305849 + 18604414404 = 364043^2 + 136398^2 .

It is a cyclic number.

It is not a de Polignac number, because 151131720253 - 2²⁵ = 151098165821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (151131720263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75565860126 + 75565860127.

It is an arithmetic number, because the mean of its divisors is an integer number (75565860127).

Almost surely, 2^151131720253 is an apocalyptic number.

It is an amenable number.

151131720253 is a deficient number, since it is larger than the sum of its proper divisors (1).

151131720253 is an equidigital number, since it uses as much as digits as its factorization.

151131720253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 151131720253 in words is "one hundred fifty-one billion, one hundred thirty-one million, seven hundred twenty thousand, two hundred fifty-three".