125035240015 has 32 divisors (see below), whose sum is σ = 173538132480. Its totient is φ = 84712086144.

The previous prime is 125035239991. The next prime is 125035240067. The reversal of 125035240015 is 510042530521.

It is not a de Polignac number, because 125035240015 - 2¹⁷ = 125035108943 is a prime.

It is a super-2 number, since 2×125035240015² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1375309 + ... + 1463401.

It is an arithmetic number, because the mean of its divisors is an integer number (5423066640).

Almost surely, 2^125035240015 is an apocalyptic number.

125035240015 is a deficient number, since it is larger than the sum of its proper divisors (48502892465).

125035240015 is a wasteful number, since it uses less digits than its factorization.

125035240015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88591.

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 125035240015 its reverse (510042530521), we get a palindrome (635077770536).

The spelling of 125035240015 in words is "one hundred twenty-five billion, thirty-five million, two hundred forty thousand, fifteen".