11110155551056 has 40 divisors (see below), whose sum is σ = 21585556281960. Its totient is φ = 5539710468096.

The previous prime is 11110155551051. The next prime is 11110155551123. The reversal of 11110155551056 is 65015555101111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 103287675456 + 11006867875600 = 321384^2 + 3317660^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110155551051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7795216 + ... + 9109648.

It is an arithmetic number, because the mean of its divisors is an integer number (539638907049).

Almost surely, 2^{11110155551056} is an apocalyptic number.

11110155551056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11110155551056 is a deficient number, since it is larger than the sum of its proper divisors (10475400730904).

11110155551056 is a wasteful number, since it uses less digits than its factorization.

11110155551056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315903 (or 1315897 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 37.

The spelling of 11110155551056 in words is "eleven trillion, one hundred ten billion, one hundred fifty-five million, five hundred fifty-one thousand, fifty-six".