125690019853 has 2 divisors, whose sum is σ = 125690019854. Its totient is φ = 125690019852.

The previous prime is 125690019823. The next prime is 125690019863. The reversal of 125690019853 is 358910096521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71159830564 + 54530189289 = 266758^2 + 233517^2 .

It is a cyclic number.

It is not a de Polignac number, because 125690019853 - 2¹⁷ = 125689888781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125690019797 and 125690019806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125690019823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62845009926 + 62845009927.

It is an arithmetic number, because the mean of its divisors is an integer number (62845009927).

Almost surely, 2^125690019853 is an apocalyptic number.

It is an amenable number.

125690019853 is a deficient number, since it is larger than the sum of its proper divisors (1).

125690019853 is an equidigital number, since it uses as much as digits as its factorization.

125690019853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 125690019853 in words is "one hundred twenty-five billion, six hundred ninety million, nineteen thousand, eight hundred fifty-three".