125653206650 has 24 divisors (see below), whose sum is σ = 234242578944. Its totient is φ = 50147817200.

The previous prime is 125653206643. The next prime is 125653206703. The reversal of 125653206650 is 56602356521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125653206598 and 125653206607.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2814266 + ... + 2858565.

It is an arithmetic number, because the mean of its divisors is an integer number (9760107456).

Almost surely, 2^125653206650 is an apocalyptic number.

125653206650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125653206650 is a deficient number, since it is larger than the sum of its proper divisors (108589372294).

125653206650 is a wasteful number, since it uses less digits than its factorization.

125653206650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5673286 (or 5673281 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 125653206650 in words is "one hundred twenty-five billion, six hundred fifty-three million, two hundred six thousand, six hundred fifty".