125356553064 has 96 divisors (see below), whose sum is σ = 348230904840. Its totient is φ = 40714444800.

The previous prime is 125356553059. The next prime is 125356553093. The reversal of 125356553064 is 460355653521.

125356553064 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 56 + 5 + 530 + 64 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 77985030564 + 47371522500 = 279258^2 + 217650^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2326104 + ... + 2379384.

Almost surely, 2^125356553064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125356553064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174115452420).

125356553064 is an abundant number, since it is smaller than the sum of its proper divisors (222874351776).

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

125356553064 is a wasteful number, since it uses less digits than its factorization.

125356553064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54131 (or 54124 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 125356553064 in words is "one hundred twenty-five billion, three hundred fifty-six million, five hundred fifty-three thousand, sixty-four".