61534060111 has 16 divisors (see below), whose sum is σ = 63932094720. Its totient is φ = 59162664960.

The previous prime is 61534060109. The next prime is 61534060127. The reversal of 61534060111 is 11106043516.

It is a cyclic number.

It is not a de Polignac number, because 61534060111 - 2¹ = 61534060109 is a prime.

It is a super-2 number, since 2×61534060111² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61534060111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61534060151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4833891 + ... + 4846603.

It is an arithmetic number, because the mean of its divisors is an integer number (3995755920).

Almost surely, 2^61534060111 is an apocalyptic number.

61534060111 is a deficient number, since it is larger than the sum of its proper divisors (2398034609).

61534060111 is a wasteful number, since it uses less digits than its factorization.

61534060111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 61534060111 in words is "sixty-one billion, five hundred thirty-four million, sixty thousand, one hundred eleven".