11172165065730 has 48 divisors (see below), whose sum is σ = 30576451763520. Its totient is φ = 2822441700384.

The previous prime is 11172165065717. The next prime is 11172165065741. The reversal of 11172165065730 is 3756056127111.

11172165065730 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 21 + 6 + 50 + 6 + 573 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3266713222 + ... + 3266716641.

It is an arithmetic number, because the mean of its divisors is an integer number (637009411740).

Almost surely, 2^{11172165065730} is an apocalyptic number.

11172165065730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11172165065730 is an abundant number, since it is smaller than the sum of its proper divisors (19404286697790).

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

11172165065730 is a wasteful number, since it uses less digits than its factorization.

11172165065730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6533429895 (or 6533429892 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 45.

The spelling of 11172165065730 in words is "eleven trillion, one hundred seventy-two billion, one hundred sixty-five million, sixty-five thousand, seven hundred thirty".