61111172284 has 12 divisors (see below), whose sum is σ = 106952209000. Its totient is φ = 30553398288.

The previous prime is 61111172261. The next prime is 61111172321. The reversal of 61111172284 is 48227111116.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 483294 + ... + 596485.

Almost surely, 2^61111172284 is an apocalyptic number.

It is an amenable number.

61111172284 is a deficient number, since it is larger than the sum of its proper divisors (45841036716).

61111172284 is a wasteful number, since it uses less digits than its factorization.

61111172284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093932 (or 1093930 counting only the distinct ones).

The product of its digits is 5376, while the sum is 34.

The spelling of 61111172284 in words is "sixty-one billion, one hundred eleven million, one hundred seventy-two thousand, two hundred eighty-four".