20511412525522 has 8 divisors (see below), whose sum is σ = 30884104031616. Its totient is φ = 10216711181652.

The previous prime is 20511412525511. The next prime is 20511412525529. The reversal of 20511412525522 is 22552521411502.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (20511412525529) 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, 19497539898 + ... + 19497540949.

It is an arithmetic number, because the mean of its divisors is an integer number (3860513003952).

Almost surely, 2^{20511412525522} is an apocalyptic number.

20511412525522 is a deficient number, since it is larger than the sum of its proper divisors (10372691506094).

20511412525522 is a wasteful number, since it uses less digits than its factorization.

20511412525522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38995081112.

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 20511412525522 in words is "twenty trillion, five hundred eleven billion, four hundred twelve million, five hundred twenty-five thousand, five hundred twenty-two".