5611111028061 has 32 divisors (see below), whose sum is σ = 9329025868800. Its totient is φ = 2914405159680.

The previous prime is 5611111028053. The next prime is 5611111028069. The reversal of 5611111028061 is 1608201111165.

It is an interprime number because it is at equal distance from previous prime (5611111028053) and next prime (5611111028069).

It is not a de Polignac number, because 5611111028061 - 2³ = 5611111028053 is a prime.

It is a super-3 number, since 3×5611111028061³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611111028069) 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, 430396 + ... + 3377493.

It is an arithmetic number, because the mean of its divisors is an integer number (291532058400).

Almost surely, 2^{5611111028061} is an apocalyptic number.

It is an amenable number.

5611111028061 is a deficient number, since it is larger than the sum of its proper divisors (3717914840739).

5611111028061 is a wasteful number, since it uses less digits than its factorization.

5611111028061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3814289.

The product of its (nonzero) digits is 2880, while the sum is 33.

The spelling of 5611111028061 in words is "five trillion, six hundred eleven billion, one hundred eleven million, twenty-eight thousand, sixty-one".