105011050501055 has 4 divisors (see below), whose sum is σ = 126013260601272. Its totient is φ = 84008840400840.

The previous prime is 105011050501001. The next prime is 105011050501061. The reversal of 105011050501055 is 550105050110501.

It is a happy number.

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

It is not a de Polignac number, because 105011050501055 - 2¹⁶ = 105011050435519 is a prime.

It is a super-2 number, since 2×105011050501055² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10501105050101 + ... + 10501105050110.

It is an arithmetic number, because the mean of its divisors is an integer number (31503315150318).

Almost surely, 2^{105011050501055} is an apocalyptic number.

105011050501055 is a deficient number, since it is larger than the sum of its proper divisors (21002210100217).

105011050501055 is an equidigital number, since it uses as much as digits as its factorization.

105011050501055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002210100216.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 105011050501055 in words is "one hundred five trillion, eleven billion, fifty million, five hundred one thousand, fifty-five".