55061113111 has 4 divisors (see below), whose sum is σ = 55063039032. Its totient is φ = 55059187192.

The previous prime is 55061113087. The next prime is 55061113147. The reversal of 55061113111 is 11131116055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55061113111 - 2¹⁹ = 55060588823 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 (55062113111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919420 + ... + 977473.

It is an arithmetic number, because the mean of its divisors is an integer number (13765759758).

Almost surely, 2^55061113111 is an apocalyptic number.

55061113111 is a deficient number, since it is larger than the sum of its proper divisors (1925921).

55061113111 is a wasteful number, since it uses less digits than its factorization.

55061113111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925920.

The product of its (nonzero) digits is 450, while the sum is 25.

Adding to 55061113111 its reverse (11131116055), we get a palindrome (66192229166).

The spelling of 55061113111 in words is "fifty-five billion, sixty-one million, one hundred thirteen thousand, one hundred eleven".