61110531223 has 16 divisors (see below), whose sum is σ = 73081569600. Its totient is φ = 50003156736.

The previous prime is 61110531221. The next prime is 61110531241. The reversal of 61110531223 is 32213501116.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 61110531223 - 2¹ = 61110531221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61110531221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2212198 + ... + 2239651.

It is an arithmetic number, because the mean of its divisors is an integer number (4567598100).

Almost surely, 2^61110531223 is an apocalyptic number.

61110531223 is a deficient number, since it is larger than the sum of its proper divisors (11971038377).

61110531223 is a wasteful number, since it uses less digits than its factorization.

61110531223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451946.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 61110531223 in words is "sixty-one billion, one hundred ten million, five hundred thirty-one thousand, two hundred twenty-three".