125690885663 has 8 divisors (see below), whose sum is σ = 143928944160. Its totient is φ = 107523381600.

The previous prime is 125690885641. The next prime is 125690885689. The reversal of 125690885663 is 366588096521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125690885663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125690885693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17634788 + ... + 17641913.

It is an arithmetic number, because the mean of its divisors is an integer number (17991118020).

Almost surely, 2^125690885663 is an apocalyptic number.

125690885663 is a deficient number, since it is larger than the sum of its proper divisors (18238058497).

125690885663 is an equidigital number, since it uses as much as digits as its factorization.

125690885663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35277217.

The product of its (nonzero) digits is 18662400, while the sum is 59.

The spelling of 125690885663 in words is "one hundred twenty-five billion, six hundred ninety million, eight hundred eighty-five thousand, six hundred sixty-three".