151630572505 has 4 divisors (see below), whose sum is σ = 181956687012. Its totient is φ = 121304458000.

The previous prime is 151630572503. The next prime is 151630572517. The reversal of 151630572505 is 505275036151.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505275036151 = 223 ⋅2265807337.

It can be written as a sum of positive squares in 2 ways, for example, as 111932400969 + 39698171536 = 334563^2 + 199244^2 .

It is not a de Polignac number, because 151630572505 - 2¹ = 151630572503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151630572503) 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, 15163057246 + ... + 15163057255.

It is an arithmetic number, because the mean of its divisors is an integer number (45489171753).

Almost surely, 2^151630572505 is an apocalyptic number.

It is an amenable number.

151630572505 is a deficient number, since it is larger than the sum of its proper divisors (30326114507).

151630572505 is an equidigital number, since it uses as much as digits as its factorization.

151630572505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30326114506.

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 151630572505 in words is "one hundred fifty-one billion, six hundred thirty million, five hundred seventy-two thousand, five hundred five".