20151268561088 has 28 divisors (see below), whose sum is σ = 45700198344912. Its totient is φ = 8636257954560.

The previous prime is 20151268561043. The next prime is 20151268561091. The reversal of 20151268561088 is 88016586215102.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22490254643 + ... + 22490255538.

Almost surely, 2^{20151268561088} is an apocalyptic number.

20151268561088 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20151268561088 is an abundant number, since it is smaller than the sum of its proper divisors (25548929783824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20151268561088 is an equidigital number, since it uses as much as digits as its factorization.

20151268561088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44980510200 (or 44980510190 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 53.

The spelling of 20151268561088 in words is "twenty trillion, one hundred fifty-one billion, two hundred sixty-eight million, five hundred sixty-one thousand, eighty-eight".