55111000060061 has 32 divisors (see below), whose sum is σ = 61807983372288. Its totient is φ = 48709624803840.

The previous prime is 55111000060027. The next prime is 55111000060069. The reversal of 55111000060061 is 16006000011155.

It is a de Polignac number, because none of the positive numbers 2^k-55111000060061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55111000060061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111000060069) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168631565 + ... + 168958061.

It is an arithmetic number, because the mean of its divisors is an integer number (1931499480384).

Almost surely, 2^{55111000060061} is an apocalyptic number.

It is an amenable number.

55111000060061 is a deficient number, since it is larger than the sum of its proper divisors (6696983312227).

55111000060061 is a wasteful number, since it uses less digits than its factorization.

55111000060061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328721.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 55111000060061 in words is "fifty-five trillion, one hundred eleven billion, sixty thousand, sixty-one".