125961039459 has 12 divisors (see below), whose sum is σ = 189854320656. Its totient is φ = 80322981552.

The previous prime is 125961039433. The next prime is 125961039481. The reversal of 125961039459 is 954930169521.

125961039459 is a `hidden beast` number, since 1 + 2 + 596 + 1 + 0 + 3 + 9 + 45 + 9 = 666.

It is not a de Polignac number, because 125961039459 - 2¹⁷ = 125960908387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125961039559) 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 in 11 ways as a sum of consecutive naturals, for example, 304253512 + ... + 304253925.

It is an arithmetic number, because the mean of its divisors is an integer number (15821193388).

Almost surely, 2^125961039459 is an apocalyptic number.

125961039459 is a deficient number, since it is larger than the sum of its proper divisors (63893281197).

125961039459 is a wasteful number, since it uses less digits than its factorization.

125961039459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608507466 (or 608507463 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 125961039459 in words is "one hundred twenty-five billion, nine hundred sixty-one million, thirty-nine thousand, four hundred fifty-nine".