11122455556780 has 24 divisors (see below), whose sum is σ = 23988431175408. Its totient is φ = 4328739459648.

The previous prime is 11122455556763. The next prime is 11122455556787. The reversal of 11122455556780 is 8765555422111.

It is a super-2 number, since 2×11122455556780² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11122455556787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515171934 + ... + 7515173413.

It is an arithmetic number, because the mean of its divisors is an integer number (999517965642).

Almost surely, 2^{11122455556780} is an apocalyptic number.

11122455556780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122455556780 is an abundant number, since it is smaller than the sum of its proper divisors (12865975618628).

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

11122455556780 is a wasteful number, since it uses less digits than its factorization.

11122455556780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15030345393 (or 15030345391 counting only the distinct ones).

The product of its (nonzero) digits is 3360000, while the sum is 52.

The spelling of 11122455556780 in words is "eleven trillion, one hundred twenty-two billion, four hundred fifty-five million, five hundred fifty-six thousand, seven hundred eighty".