125733915953 has 2 divisors, whose sum is σ = 125733915954. Its totient is φ = 125733915952.

The previous prime is 125733915929. The next prime is 125733915991. The reversal of 125733915953 is 359519337521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66184251169 + 59549664784 = 257263^2 + 244028^2 .

It is a cyclic number.

It is not a de Polignac number, because 125733915953 - 2¹⁸ = 125733653809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125733915895 and 125733915904.

It is not a weakly prime, because it can be changed into another prime (125733975953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62866957976 + 62866957977.

It is an arithmetic number, because the mean of its divisors is an integer number (62866957977).

Almost surely, 2^125733915953 is an apocalyptic number.

It is an amenable number.

125733915953 is a deficient number, since it is larger than the sum of its proper divisors (1).

125733915953 is an equidigital number, since it uses as much as digits as its factorization.

125733915953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3827250, while the sum is 53.

The spelling of 125733915953 in words is "one hundred twenty-five billion, seven hundred thirty-three million, nine hundred fifteen thousand, nine hundred fifty-three".