125636326530 has 64 divisors (see below), whose sum is σ = 354241738368. Its totient is φ = 28114421760.

The previous prime is 125636326489. The next prime is 125636326553. The reversal of 125636326530 is 35623636521.

It is a super-3 number, since 3×125636326530³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14638639 + ... + 14647218.

It is an arithmetic number, because the mean of its divisors is an integer number (5535027162).

Almost surely, 2^125636326530 is an apocalyptic number.

125636326530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125636326530 is an abundant number, since it is smaller than the sum of its proper divisors (228605411838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125636326530 is a wasteful number, since it uses less digits than its factorization.

125636326530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29285891.

The product of its (nonzero) digits is 583200, while the sum is 42.

The spelling of 125636326530 in words is "one hundred twenty-five billion, six hundred thirty-six million, three hundred twenty-six thousand, five hundred thirty".