20125702607611 has 4 divisors (see below), whose sum is σ = 21000733155792. Its totient is φ = 19250672059432.

The previous prime is 20125702607599. The next prime is 20125702607701. The reversal of 20125702607611 is 11670620752102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20125702607611 - 2⁵ = 20125702607579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20125702607411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437515274056 + ... + 437515274101.

It is an arithmetic number, because the mean of its divisors is an integer number (5250183288948).

Almost surely, 2^{20125702607611} is an apocalyptic number.

20125702607611 is a deficient number, since it is larger than the sum of its proper divisors (875030548181).

20125702607611 is an equidigital number, since it uses as much as digits as its factorization.

20125702607611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875030548180.

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 20125702607611 in words is "twenty trillion, one hundred twenty-five billion, seven hundred two million, six hundred seven thousand, six hundred eleven".