125573990997373 has 2 divisors, whose sum is σ = 125573990997374. Its totient is φ = 125573990997372.

The previous prime is 125573990997211. The next prime is 125573990997409. The reversal of 125573990997373 is 373799099375521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105746402856249 + 19827588141124 = 10283307^2 + 4452818^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125573990997373 is a prime.

It is a super-2 number, since 2×125573990997373² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125573990997293 and 125573990997302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125573990997673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62786995498686 + 62786995498687.

It is an arithmetic number, because the mean of its divisors is an integer number (62786995498687).

Almost surely, 2^{125573990997373} is an apocalyptic number.

It is an amenable number.

125573990997373 is a deficient number, since it is larger than the sum of its proper divisors (1).

125573990997373 is an equidigital number, since it uses as much as digits as its factorization.

125573990997373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3038071050, while the sum is 79.

The spelling of 125573990997373 in words is "one hundred twenty-five trillion, five hundred seventy-three billion, nine hundred ninety million, nine hundred ninety-seven thousand, three hundred seventy-three".