55105611005051 has 2 divisors, whose sum is σ = 55105611005052. Its totient is φ = 55105611005050.

The previous prime is 55105611005041. The next prime is 55105611005077. The reversal of 55105611005051 is 15050011650155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55105611005051 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55105611005021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27552805502525 + 27552805502526.

It is an arithmetic number, because the mean of its divisors is an integer number (27552805502526).

Almost surely, 2^{55105611005051} is an apocalyptic number.

55105611005051 is a deficient number, since it is larger than the sum of its proper divisors (1).

55105611005051 is an equidigital number, since it uses as much as digits as its factorization.

55105611005051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 55105611005051 in words is "fifty-five trillion, one hundred five billion, six hundred eleven million, five thousand, fifty-one".