5611161052 has 48 divisors (see below), whose sum is σ = 11718508032. Its totient is φ = 2298605760.

The previous prime is 5611161041. The next prime is 5611161053. The reversal of 5611161052 is 2501611165.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 5611161052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611161053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1428363 + ... + 1432285.

It is an arithmetic number, because the mean of its divisors is an integer number (244135584).

Almost surely, 2^5611161052 is an apocalyptic number.

It is an amenable number.

5611161052 is an abundant number, since it is smaller than the sum of its proper divisors (6107346980).

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

5611161052 is a wasteful number, since it uses less digits than its factorization.

5611161052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6178 (or 6176 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 5611161052 is about 74907.6835311305. The cubic root of 5611161052 is about 1776.9869756710.

The spelling of 5611161052 in words is "five billion, six hundred eleven million, one hundred sixty-one thousand, fifty-two".