15120002151 has 24 divisors (see below), whose sum is σ = 22374477840. Its totient is φ = 9833878656.

The previous prime is 15120002143. The next prime is 15120002171.

15120002151 is a `hidden beast` number, since 1 + 512 + 0 + 0 + 0 + 2 + 151 = 666.

15120002151 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15120002151 - 2³ = 15120002143 is a prime.

It is a super-2 number, since 2×15120002151² (a number of 21 digits) contains 22 as substring.

15120002151 is a modest number, since divided by 2151 gives 1512 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120002171) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 308865 + ... + 354453.

It is an arithmetic number, because the mean of its divisors is an integer number (932269910).

Almost surely, 2^15120002151 is an apocalyptic number.

15120002151 is a deficient number, since it is larger than the sum of its proper divisors (7254475689).

15120002151 is a wasteful number, since it uses less digits than its factorization.

15120002151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46495 (or 46492 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

It can be divided in two parts, 1512000 and 2151, that added together give a palindrome (1514151).

The spelling of 15120002151 in words is "fifteen billion, one hundred twenty million, two thousand, one hundred fifty-one".