151631525315 has 4 divisors (see below), whose sum is σ = 181957830384. Its totient is φ = 121305220248.

The previous prime is 151631525257. The next prime is 151631525317. The reversal of 151631525315 is 513525136151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513525136151 = 486133 ⋅1056347.

It is a cyclic number.

It is not a de Polignac number, because 151631525315 - 2¹² = 151631521219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151631525317) 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, 15163152527 + ... + 15163152536.

It is an arithmetic number, because the mean of its divisors is an integer number (45489457596).

Almost surely, 2^151631525315 is an apocalyptic number.

151631525315 is a deficient number, since it is larger than the sum of its proper divisors (30326305069).

151631525315 is an equidigital number, since it uses as much as digits as its factorization.

151631525315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30326305068.

The product of its digits is 67500, while the sum is 38.

The spelling of 151631525315 in words is "one hundred fifty-one billion, six hundred thirty-one million, five hundred twenty-five thousand, three hundred fifteen".