125969764050 has 72 divisors (see below), whose sum is σ = 364472534244. Its totient is φ = 31007940480.

The previous prime is 125969764027. The next prime is 125969764051. The reversal of 125969764050 is 50467969521.

125969764050 is a `hidden beast` number, since 1 + 2 + 596 + 9 + 7 + 6 + 40 + 5 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 25365977289 + 100603786761 = 159267^2 + 317181^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125969764051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10760797 + ... + 10772496.

Almost surely, 2^125969764050 is an apocalyptic number.

125969764050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125969764050 is an abundant number, since it is smaller than the sum of its proper divisors (238502770194).

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

125969764050 is a wasteful number, since it uses less digits than its factorization.

125969764050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21533324 (or 21533316 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 125969764050 in words is "one hundred twenty-five billion, nine hundred sixty-nine million, seven hundred sixty-four thousand, fifty".