61111172283 has 32 divisors (see below), whose sum is σ = 94670231040. Its totient is φ = 34341753600.

The previous prime is 61111172261. The next prime is 61111172321. The reversal of 61111172283 is 38227111116.

It is not a de Polignac number, because 61111172283 - 2¹⁰ = 61111171259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61111172233) 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, 809473 + ... + 881741.

It is an arithmetic number, because the mean of its divisors is an integer number (2958444720).

Almost surely, 2^61111172283 is an apocalyptic number.

61111172283 is a deficient number, since it is larger than the sum of its proper divisors (33559058757).

61111172283 is a wasteful number, since it uses less digits than its factorization.

61111172283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72947.

The product of its digits is 4032, while the sum is 33.

Adding to 61111172283 its reverse (38227111116), we get a palindrome (99338283399).

The spelling of 61111172283 in words is "sixty-one billion, one hundred eleven million, one hundred seventy-two thousand, two hundred eighty-three".