125135005199 has 2 divisors, whose sum is σ = 125135005200. Its totient is φ = 125135005198.

The previous prime is 125135005159. The next prime is 125135005211. The reversal of 125135005199 is 991500531521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125135005199 - 2¹⁶ = 125134939663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125135005109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62567502599 + 62567502600.

It is an arithmetic number, because the mean of its divisors is an integer number (62567502600).

Almost surely, 2^125135005199 is an apocalyptic number.

125135005199 is a deficient number, since it is larger than the sum of its proper divisors (1).

125135005199 is an equidigital number, since it uses as much as digits as its factorization.

125135005199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 41.

The spelling of 125135005199 in words is "one hundred twenty-five billion, one hundred thirty-five million, five thousand, one hundred ninety-nine".