151520120131 has 8 divisors (see below), whose sum is σ = 160445471760. Its totient is φ = 142596146688.

The previous prime is 151520120071. The next prime is 151520120189. The reversal of 151520120131 is 131021025151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-151520120131 is a prime.

It is a super-2 number, since 2×151520120131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151520127131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113766 + ... + 562123.

It is an arithmetic number, because the mean of its divisors is an integer number (20055683970).

Almost surely, 2^151520120131 is an apocalyptic number.

151520120131 is a deficient number, since it is larger than the sum of its proper divisors (8925351629).

151520120131 is a wasteful number, since it uses less digits than its factorization.

151520120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689093.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 151520120131 its reverse (131021025151), we get a palindrome (282541145282).

The spelling of 151520120131 in words is "one hundred fifty-one billion, five hundred twenty million, one hundred twenty thousand, one hundred thirty-one".