125125025535515 has 8 divisors (see below), whose sum is σ = 150151580584128. Its totient is φ = 100098987134080.

The previous prime is 125125025535511. The next prime is 125125025535533. The reversal of 125125025535515 is 515535520521521.

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

It is not a de Polignac number, because 125125025535515 - 2² = 125125025535511 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125125025535515.

It is not an unprimeable number, because it can be changed into a prime (125125025535511) 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, 128628782 + ... + 129597891.

It is an arithmetic number, because the mean of its divisors is an integer number (18768947573016).

Almost surely, 2^{125125025535515} is an apocalyptic number.

125125025535515 is a deficient number, since it is larger than the sum of its proper divisors (25026555048613).

125125025535515 is an equidigital number, since it uses as much as digits as its factorization.

125125025535515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258323589.

The product of its (nonzero) digits is 1875000, while the sum is 47.

The spelling of 125125025535515 in words is "one hundred twenty-five trillion, one hundred twenty-five billion, twenty-five million, five hundred thirty-five thousand, five hundred fifteen".