125035532985 has 64 divisors (see below), whose sum is σ = 218968738560. Its totient is φ = 60422369280.

The previous prime is 125035532977. The next prime is 125035533011. The reversal of 125035532985 is 589235530521.

It is not a de Polignac number, because 125035532985 - 2³ = 125035532977 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 114396099 + ... + 114397191.

It is an arithmetic number, because the mean of its divisors is an integer number (3421386540).

Almost surely, 2^125035532985 is an apocalyptic number.

125035532985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125035532985 is a deficient number, since it is larger than the sum of its proper divisors (93933205575).

125035532985 is a wasteful number, since it uses less digits than its factorization.

125035532985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778.

The product of its (nonzero) digits is 1620000, while the sum is 48.

The spelling of 125035532985 in words is "one hundred twenty-five billion, thirty-five million, five hundred thirty-two thousand, nine hundred eighty-five".