5611100061 has 32 divisors (see below), whose sum is σ = 9084176640. Its totient is φ = 3012097536.

The previous prime is 5611100051. The next prime is 5611100107. The reversal of 5611100061 is 1600011165.

It is not a de Polignac number, because 5611100061 - 2¹³ = 5611091869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611100021) 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 31 ways as a sum of consecutive naturals, for example, 101976 + ... + 147041.

It is an arithmetic number, because the mean of its divisors is an integer number (283880520).

Almost surely, 2^5611100061 is an apocalyptic number.

It is an amenable number.

5611100061 is a deficient number, since it is larger than the sum of its proper divisors (3473076579).

5611100061 is a wasteful number, since it uses less digits than its factorization.

5611100061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249093.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 5611100061 is about 74907.2764222542. The cubic root of 5611100061 is about 1776.9805372765.

The spelling of 5611100061 in words is "five billion, six hundred eleven million, one hundred thousand, sixty-one".