125132520115 has 8 divisors (see below), whose sum is σ = 153353897280. Its totient is φ = 97976100672.

The previous prime is 125132520077. The next prime is 125132520133. The reversal of 125132520115 is 511025231521.

It is a happy number.

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 125132520115 - 2²⁵ = 125098965683 is a prime.

It is a super-2 number, since 2×125132520115² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266239170 + ... + 266239639.

It is an arithmetic number, because the mean of its divisors is an integer number (19169237160).

Almost surely, 2^125132520115 is an apocalyptic number.

125132520115 is a deficient number, since it is larger than the sum of its proper divisors (28221377165).

125132520115 is an equidigital number, since it uses as much as digits as its factorization.

125132520115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532478861.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 125132520115 its reverse (511025231521), we get a palindrome (636157751636).

The spelling of 125132520115 in words is "one hundred twenty-five billion, one hundred thirty-two million, five hundred twenty thousand, one hundred fifteen".