20125461051673 has 16 divisors (see below), whose sum is σ = 20248445952000. Its totient is φ = 20002836555072.

The previous prime is 20125461051653. The next prime is 20125461051719. The reversal of 20125461051673 is 37615016452102.

It is a cyclic number.

It is not a de Polignac number, because 20125461051673 - 2⁹ = 20125461051161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125461051643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264217768 + ... + 264293926.

It is an arithmetic number, because the mean of its divisors is an integer number (1265527872000).

Almost surely, 2^{20125461051673} is an apocalyptic number.

It is an amenable number.

20125461051673 is a deficient number, since it is larger than the sum of its proper divisors (122984900327).

20125461051673 is a wasteful number, since it uses less digits than its factorization.

20125461051673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78504.

The product of its (nonzero) digits is 302400, while the sum is 43.

The spelling of 20125461051673 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-one million, fifty-one thousand, six hundred seventy-three".