125901383156 has 6 divisors (see below), whose sum is σ = 220327420530. Its totient is φ = 62950691576.

The previous prime is 125901383147. The next prime is 125901383159. The reversal of 125901383156 is 651383109521.

It can be written as a sum of positive squares in only one way, i.e., 88935168400 + 36966214756 = 298220^2 + 192266^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125901383159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15737672891 + ... + 15737672898.

It is an arithmetic number, because the mean of its divisors is an integer number (36721236755).

Almost surely, 2^125901383156 is an apocalyptic number.

It is an amenable number.

125901383156 is a deficient number, since it is larger than the sum of its proper divisors (94426037374).

125901383156 is a wasteful number, since it uses less digits than its factorization.

125901383156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31475345793 (or 31475345791 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 125901383156 in words is "one hundred twenty-five billion, nine hundred one million, three hundred eighty-three thousand, one hundred fifty-six".