125652777700 has 18 divisors (see below), whose sum is σ = 272666527826. Its totient is φ = 50261111040.

The previous prime is 125652777689. The next prime is 125652777709. The reversal of 125652777700 is 7777256521.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9621255744 + 116031521956 = 98088^2 + 340634^2 .

It is not an unprimeable number, because it can be changed into a prime (125652777709) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 628263789 + ... + 628263988.

Almost surely, 2^125652777700 is an apocalyptic number.

125652777700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125652777700 is an abundant number, since it is smaller than the sum of its proper divisors (147013750126).

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

125652777700 is a wasteful number, since it uses less digits than its factorization.

125652777700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256527791 (or 1256527784 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The spelling of 125652777700 in words is "one hundred twenty-five billion, six hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred".