20125574751413 has 8 divisors (see below), whose sum is σ = 20303331579168. Its totient is φ = 19948479961104.

The previous prime is 20125574751397. The next prime is 20125574751473. The reversal of 20125574751413 is 31415747552102.

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

It is a cyclic number.

It is not a de Polignac number, because 20125574751413 - 2⁴ = 20125574751397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20125574751473) 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, 165448295 + ... + 165569892.

It is an arithmetic number, because the mean of its divisors is an integer number (2537916447396).

Almost surely, 2^{20125574751413} is an apocalyptic number.

It is an amenable number.

20125574751413 is a deficient number, since it is larger than the sum of its proper divisors (177756827755).

20125574751413 is a wasteful number, since it uses less digits than its factorization.

20125574751413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331018723.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 20125574751413 in words is "twenty trillion, one hundred twenty-five billion, five hundred seventy-four million, seven hundred fifty-one thousand, four hundred thirteen".