20125461053643 has 32 divisors (see below), whose sum is σ = 30850059651840. Its totient is φ = 11541804917760.

The previous prime is 20125461053629. The next prime is 20125461053767. The reversal of 20125461053643 is 34635016452102.

It is not a de Polignac number, because 20125461053643 - 2¹⁷ = 20125460922571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20125461053595 and 20125461053604.

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 31 ways as a sum of consecutive naturals, for example, 18189630 + ... + 19264307.

It is an arithmetic number, because the mean of its divisors is an integer number (964064364120).

Almost surely, 2^{20125461053643} is an apocalyptic number.

20125461053643 is a deficient number, since it is larger than the sum of its proper divisors (10724598598197).

20125461053643 is a wasteful number, since it uses less digits than its factorization.

20125461053643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37454827.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 20125461053643 in words is "twenty trillion, one hundred twenty-five billion, four hundred sixty-one million, fifty-three thousand, six hundred forty-three".