20251146113473 has 6 divisors (see below), whose sum is σ = 22259524240562. Its totient is φ = 18410132830320.

The previous prime is 20251146113461. The next prime is 20251146113483. The reversal of 20251146113473 is 37431164115202.

It can be written as a sum of positive squares in only one way, i.e., 12748241739024 + 7502904374449 = 3570468^2 + 2739143^2 .

It is not a de Polignac number, because 20251146113473 - 2⁵ = 20251146113441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20251146113413) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83682421836 + ... + 83682422077.

Almost surely, 2^{20251146113473} is an apocalyptic number.

It is an amenable number.

20251146113473 is a deficient number, since it is larger than the sum of its proper divisors (2008378127089).

20251146113473 is a wasteful number, since it uses less digits than its factorization.

20251146113473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167364843935 (or 167364843924 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 20251146113473 in words is "twenty trillion, two hundred fifty-one billion, one hundred forty-six million, one hundred thirteen thousand, four hundred seventy-three".