15120321151 has 8 divisors (see below), whose sum is σ = 16506484400. Its totient is φ = 13766023872.

The previous prime is 15120321133. The next prime is 15120321157. The reversal of 15120321151 is 15112302151.

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

It is a cyclic number.

It is not a de Polignac number, because 15120321151 - 2⁷ = 15120321023 is a prime.

It is a super-2 number, since 2×15120321151² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120321157) 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, 7965501 + ... + 7967398.

It is an arithmetic number, because the mean of its divisors is an integer number (2063310550).

Almost surely, 2^15120321151 is an apocalyptic number.

15120321151 is a deficient number, since it is larger than the sum of its proper divisors (1386163249).

15120321151 is a wasteful number, since it uses less digits than its factorization.

15120321151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15932985.

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

The spelling of 15120321151 in words is "fifteen billion, one hundred twenty million, three hundred twenty-one thousand, one hundred fifty-one".