11116205460621 has 6 divisors (see below), whose sum is σ = 16056741220910. Its totient is φ = 7410803640408.

The previous prime is 11116205460617. The next prime is 11116205460629. The reversal of 11116205460621 is 12606450261111.

11116205460621 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 6 + 20 + 5 + 4 + 6 + 0 + 621 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5573896028100 + 5542309432521 = 2360910^2 + 2354211^2 .

It is not a de Polignac number, because 11116205460621 - 2² = 11116205460617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11116205460629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617566970026 + ... + 617566970043.

Almost surely, 2^{11116205460621} is an apocalyptic number.

It is an amenable number.

11116205460621 is a deficient number, since it is larger than the sum of its proper divisors (4940535760289).

11116205460621 is a wasteful number, since it uses less digits than its factorization.

11116205460621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235133940075 (or 1235133940072 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 11116205460621 in words is "eleven trillion, one hundred sixteen billion, two hundred five million, four hundred sixty thousand, six hundred twenty-one".