125262777648 has 80 divisors (see below), whose sum is σ = 326428373120. Its totient is φ = 41390272512.

The previous prime is 125262777643. The next prime is 125262777677. The reversal of 125262777648 is 846777262521.

It is not an unprimeable number, because it can be changed into a prime (125262777643) 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, 2597823 + ... + 2645601.

It is an arithmetic number, because the mean of its divisors is an integer number (4080354664).

Almost surely, 2^125262777648 is an apocalyptic number.

It is an amenable number.

125262777648 is an abundant number, since it is smaller than the sum of its proper divisors (201165595472).

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

125262777648 is a wasteful number, since it uses less digits than its factorization.

125262777648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48266 (or 48260 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The spelling of 125262777648 in words is "one hundred twenty-five billion, two hundred sixty-two million, seven hundred seventy-seven thousand, six hundred forty-eight".