125733915929 has 2 divisors, whose sum is σ = 125733915930. Its totient is φ = 125733915928.

The previous prime is 125733915919. The next prime is 125733915953. The reversal of 125733915929 is 929519337521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78037539904 + 47696376025 = 279352^2 + 218395^2 .

It is a cyclic number.

It is not a de Polignac number, because 125733915929 - 2¹⁶ = 125733850393 is a prime.

It is a super-2 number, since 2×125733915929² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (125733915919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62866957964 + 62866957965.

It is an arithmetic number, because the mean of its divisors is an integer number (62866957965).

Almost surely, 2^125733915929 is an apocalyptic number.

It is an amenable number.

125733915929 is a deficient number, since it is larger than the sum of its proper divisors (1).

125733915929 is an equidigital number, since it uses as much as digits as its factorization.

125733915929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4592700, while the sum is 56.

The spelling of 125733915929 in words is "one hundred twenty-five billion, seven hundred thirty-three million, nine hundred fifteen thousand, nine hundred twenty-nine".