61110499975 has 48 divisors (see below), whose sum is σ = 88878200320. Its totient is φ = 40816483200.

The previous prime is 61110499973. The next prime is 61110499991. The reversal of 61110499975 is 57999401116.

It is not a de Polignac number, because 61110499975 - 2¹ = 61110499973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110499973) 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 47 ways as a sum of consecutive naturals, for example, 1071736 + ... + 1127314.

Almost surely, 2^61110499975 is an apocalyptic number.

61110499975 is a deficient number, since it is larger than the sum of its proper divisors (27767700345).

61110499975 is a wasteful number, since it uses less digits than its factorization.

61110499975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55760 (or 55755 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 52.

The spelling of 61110499975 in words is "sixty-one billion, one hundred ten million, four hundred ninety-nine thousand, nine hundred seventy-five".