15132120025 has 24 divisors (see below), whose sum is σ = 20477626848. Its totient is φ = 11000880000.

The previous prime is 15132120007. The next prime is 15132120043. The reversal of 15132120025 is 52002123151.

It is an interprime number because it is at equal distance from previous prime (15132120007) and next prime (15132120043).

It is not a de Polignac number, because 15132120025 - 2¹¹ = 15132117977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15132119978 and 15132120005.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 807765 + ... + 826285.

It is an arithmetic number, because the mean of its divisors is an integer number (853234452).

Almost surely, 2^15132120025 is an apocalyptic number.

It is an amenable number.

15132120025 is a deficient number, since it is larger than the sum of its proper divisors (5345506823).

15132120025 is a wasteful number, since it uses less digits than its factorization.

15132120025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21513 (or 21508 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 15132120025 its reverse (52002123151), we get a palindrome (67134243176).

The spelling of 15132120025 in words is "fifteen billion, one hundred thirty-two million, one hundred twenty thousand, twenty-five".