11052161250561 has 12 divisors (see below), whose sum is σ = 16335494148688. Its totient is φ = 7196756162904.

The previous prime is 11052161250479. The next prime is 11052161250593. The reversal of 11052161250561 is 16505216125011.

11052161250561 is a `hidden beast` number, since 1 + 1 + 0 + 521 + 6 + 125 + 0 + 5 + 6 + 1 = 666.

It is not a de Polignac number, because 11052161250561 - 2⁷ = 11052161250433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11052161050561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14279277715 + ... + 14279278488.

Almost surely, 2^{11052161250561} is an apocalyptic number.

It is an amenable number.

11052161250561 is a deficient number, since it is larger than the sum of its proper divisors (5283332898127).

11052161250561 is a wasteful number, since it uses less digits than its factorization.

11052161250561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28558556252 (or 28558556249 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

Adding to 11052161250561 its reverse (16505216125011), we get a palindrome (27557377375572).

The spelling of 11052161250561 in words is "eleven trillion, fifty-two billion, one hundred sixty-one million, two hundred fifty thousand, five hundred sixty-one".