125524552215 has 16 divisors (see below), whose sum is σ = 207764776800. Its totient is φ = 64637930112.

The previous prime is 125524552207. The next prime is 125524552261. The reversal of 125524552215 is 512255425521.

It is not a de Polignac number, because 125524552215 - 2³ = 125524552207 is a prime.

It is a super-2 number, since 2×125524552215² (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 15 ways as a sum of consecutive naturals, for example, 144280660 + ... + 144281529.

It is an arithmetic number, because the mean of its divisors is an integer number (12985298550).

Almost surely, 2^125524552215 is an apocalyptic number.

125524552215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125524552215 is a deficient number, since it is larger than the sum of its proper divisors (82240224585).

125524552215 is a wasteful number, since it uses less digits than its factorization.

125524552215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288562226.

The product of its digits is 200000, while the sum is 39.

Adding to 125524552215 its reverse (512255425521), we get a palindrome (637779977736).

The spelling of 125524552215 in words is "one hundred twenty-five billion, five hundred twenty-four million, five hundred fifty-two thousand, two hundred fifteen".