125087685433 has 2 divisors, whose sum is σ = 125087685434. Its totient is φ = 125087685432.

The previous prime is 125087685389. The next prime is 125087685451. The reversal of 125087685433 is 334586780521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66846551209 + 58241134224 = 258547^2 + 241332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125087685433 is a prime.

It is not a weakly prime, because it can be changed into another prime (125087685493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62543842716 + 62543842717.

It is an arithmetic number, because the mean of its divisors is an integer number (62543842717).

Almost surely, 2^125087685433 is an apocalyptic number.

It is an amenable number.

125087685433 is a deficient number, since it is larger than the sum of its proper divisors (1).

125087685433 is an equidigital number, since it uses as much as digits as its factorization.

125087685433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 125087685433 in words is "one hundred twenty-five billion, eighty-seven million, six hundred eighty-five thousand, four hundred thirty-three".