125077520690 has 16 divisors (see below), whose sum is σ = 225220253760. Its totient is φ = 50013071280.

The previous prime is 125077520671. The next prime is 125077520749. The reversal of 125077520690 is 96025770521.

It is a super-2 number, since 2×125077520690² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2212820 + ... + 2268639.

It is an arithmetic number, because the mean of its divisors is an integer number (14076265860).

Almost surely, 2^125077520690 is an apocalyptic number.

125077520690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125077520690 is a deficient number, since it is larger than the sum of its proper divisors (100142733070).

125077520690 is a wasteful number, since it uses less digits than its factorization.

125077520690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4484257.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 125077520690 in words is "one hundred twenty-five billion, seventy-seven million, five hundred twenty thousand, six hundred ninety".