15120234125 has 16 divisors (see below), whose sum is σ = 18910532160. Its totient is φ = 12070238800.

The previous prime is 15120234121. The next prime is 15120234131. The reversal of 15120234125 is 52143202151.

It is not a de Polignac number, because 15120234125 - 2² = 15120234121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15120234094 and 15120234103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15120234121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71135 + ... + 187884.

It is an arithmetic number, because the mean of its divisors is an integer number (1181908260).

Almost surely, 2^15120234125 is an apocalyptic number.

It is an amenable number.

15120234125 is a deficient number, since it is larger than the sum of its proper divisors (3790298035).

15120234125 is an equidigital number, since it uses as much as digits as its factorization.

15120234125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259501 (or 259491 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 15120234125 its reverse (52143202151), we get a palindrome (67263436276).

The spelling of 15120234125 in words is "fifteen billion, one hundred twenty million, two hundred thirty-four thousand, one hundred twenty-five".