125015532255 has 48 divisors (see below), whose sum is σ = 227350805760. Its totient is φ = 63466329600.

The previous prime is 125015532251. The next prime is 125015532269. The reversal of 125015532255 is 552235510521.

125015532255 is a `hidden beast` number, since 1 + 2 + 50 + 1 + 553 + 2 + 2 + 55 = 666.

It is not a de Polignac number, because 125015532255 - 2² = 125015532251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125015532251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 649470 + ... + 819659.

It is an arithmetic number, because the mean of its divisors is an integer number (4736475120).

Almost surely, 2^125015532255 is an apocalyptic number.

125015532255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125015532255 is a deficient number, since it is larger than the sum of its proper divisors (102335273505).

125015532255 is a wasteful number, since it uses less digits than its factorization.

125015532255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469232 (or 1469229 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 125015532255 in words is "one hundred twenty-five billion, fifteen million, five hundred thirty-two thousand, two hundred fifty-five".