61496091111 has 64 divisors (see below), whose sum is σ = 104034954240. Its totient is φ = 31450291200.

The previous prime is 61496091077. The next prime is 61496091161. The reversal of 61496091111 is 11119069416.

It is not a de Polignac number, because 61496091111 - 2⁹ = 61496090599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 61496091111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61496091161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1149661 + ... + 1201961.

It is an arithmetic number, because the mean of its divisors is an integer number (1625546160).

Almost surely, 2^61496091111 is an apocalyptic number.

61496091111 is a deficient number, since it is larger than the sum of its proper divisors (42538863129).

61496091111 is a wasteful number, since it uses less digits than its factorization.

61496091111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52456.

The product of its (nonzero) digits is 11664, while the sum is 39.

The spelling of 61496091111 in words is "sixty-one billion, four hundred ninety-six million, ninety-one thousand, one hundred eleven".