11565380450022 has 64 divisors (see below), whose sum is σ = 26884643696640. Its totient is φ = 3248214346656.

The previous prime is 11565380449991. The next prime is 11565380450051. The reversal of 11565380450022 is 22005408356511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50454193 + ... + 50682899.

It is an arithmetic number, because the mean of its divisors is an integer number (420072557760).

Almost surely, 2^{11565380450022} is an apocalyptic number.

11565380450022 is an abundant number, since it is smaller than the sum of its proper divisors (15319263246618).

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

11565380450022 is a wasteful number, since it uses less digits than its factorization.

11565380450022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249185.

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 11565380450022 in words is "eleven trillion, five hundred sixty-five billion, three hundred eighty million, four hundred fifty thousand, twenty-two".