125765502290 has 32 divisors (see below), whose sum is σ = 228769201584. Its totient is φ = 49775063040.

The previous prime is 125765502287. The next prime is 125765502299. The reversal of 125765502290 is 92205567521.

125765502290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 20751266809 + 105014235481 = 144053^2 + 324059^2 .

It is not an unprimeable number, because it can be changed into a prime (125765502299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4483910 + ... + 4511870.

Almost surely, 2^125765502290 is an apocalyptic number.

125765502290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125765502290 is a deficient number, since it is larger than the sum of its proper divisors (103003699294).

125765502290 is a wasteful number, since it uses less digits than its factorization.

125765502290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32702.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 125765502290 in words is "one hundred twenty-five billion, seven hundred sixty-five million, five hundred two thousand, two hundred ninety".