125136553730 has 16 divisors (see below), whose sum is σ = 225320460480. Its totient is φ = 50038029552.

The previous prime is 125136553723. The next prime is 125136553739. The reversal of 125136553730 is 37355631521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (125136553739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042294 + ... + 2102673.

It is an arithmetic number, because the mean of its divisors is an integer number (14082528780).

Almost surely, 2^125136553730 is an apocalyptic number.

125136553730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125136553730 is a deficient number, since it is larger than the sum of its proper divisors (100183906750).

125136553730 is a wasteful number, since it uses less digits than its factorization.

125136553730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4147993.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 125136553730 in words is "one hundred twenty-five billion, one hundred thirty-six million, five hundred fifty-three thousand, seven hundred thirty".