11021440630651 has 16 divisors (see below), whose sum is σ = 12438620778240. Its totient is φ = 9673500725280.

The previous prime is 11021440630561. The next prime is 11021440630679. The reversal of 11021440630651 is 15603604412011.

11021440630651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11021440630651 - 2³⁹ = 10471684816763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021440610651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5489800 + ... + 7223626.

It is an arithmetic number, because the mean of its divisors is an integer number (777413798640).

Almost surely, 2^{11021440630651} is an apocalyptic number.

11021440630651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021440630651 is a deficient number, since it is larger than the sum of its proper divisors (1417180147589).

11021440630651 is a wasteful number, since it uses less digits than its factorization.

11021440630651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753794.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 11021440630651 in words is "eleven trillion, twenty-one billion, four hundred forty million, six hundred thirty thousand, six hundred fifty-one".