61111672285 has 8 divisors (see below), whose sum is σ = 73343427840. Its totient is φ = 48883057104.

The previous prime is 61111672243. The next prime is 61111672291. The reversal of 61111672285 is 58227611116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61111672285 - 2²⁷ = 60977454557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742065 + ... + 820294.

It is an arithmetic number, because the mean of its divisors is an integer number (9167928480).

Almost surely, 2^61111672285 is an apocalyptic number.

It is an amenable number.

61111672285 is a deficient number, since it is larger than the sum of its proper divisors (12231755555).

61111672285 is a wasteful number, since it uses less digits than its factorization.

61111672285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570187.

The product of its digits is 40320, while the sum is 40.

The spelling of 61111672285 in words is "sixty-one billion, one hundred eleven million, six hundred seventy-two thousand, two hundred eighty-five".