11155116566610 has 64 divisors (see below), whose sum is σ = 29757413439360. Its totient is φ = 2973654158400.

The previous prime is 11155116566533. The next prime is 11155116566611. The reversal of 11155116566610 is 1666561155111.

It is a super-2 number, since 2×11155116566610² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11155116566611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6475977 + ... + 8015516.

It is an arithmetic number, because the mean of its divisors is an integer number (464959584990).

Almost surely, 2^{11155116566610} is an apocalyptic number.

11155116566610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11155116566610 is an abundant number, since it is smaller than the sum of its proper divisors (18602296872750).

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

11155116566610 is a wasteful number, since it uses less digits than its factorization.

11155116566610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14494360 (or 14494354 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 11155116566610 in words is "eleven trillion, one hundred fifty-five billion, one hundred sixteen million, five hundred sixty-six thousand, six hundred ten".