11012120632640 has 56 divisors (see below), whose sum is σ = 27765118873512. Its totient is φ = 4145739530240.

The previous prime is 11012120632621. The next prime is 11012120632651. The reversal of 11012120632640 is 4623602121011.

It can be written as a sum of positive squares in 4 ways, for example, as 2479692687616 + 8532427945024 = 1574704^2 + 2921032^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012138001 + ... + 1012148880.

Almost surely, 2^{11012120632640} is an apocalyptic number.

11012120632640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012120632640 is an abundant number, since it is smaller than the sum of its proper divisors (16752998240872).

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

11012120632640 is a wasteful number, since it uses less digits than its factorization.

11012120632640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024286915 (or 2024286905 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

Adding to 11012120632640 its reverse (4623602121011), we get a palindrome (15635722753651).

The spelling of 11012120632640 in words is "eleven trillion, twelve billion, one hundred twenty million, six hundred thirty-two thousand, six hundred forty".