105511055500511 has 4 divisors (see below), whose sum is σ = 105511101738624. Its totient is φ = 105511009262400.

The previous prime is 105511055500481. The next prime is 105511055500541. The reversal of 105511055500511 is 115005550115501.

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

It is an interprime number because it is at equal distance from previous prime (105511055500481) and next prime (105511055500541).

It is a cyclic number.

It is not a de Polignac number, because 105511055500511 - 2²² = 105511051306207 is a prime.

It is a super-2 number, since 2×105511055500511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105511055500541) 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, 19508210 + ... + 24322671.

It is an arithmetic number, because the mean of its divisors is an integer number (26377775434656).

Almost surely, 2^{105511055500511} is an apocalyptic number.

105511055500511 is a deficient number, since it is larger than the sum of its proper divisors (46238113).

105511055500511 is an equidigital number, since it uses as much as digits as its factorization.

105511055500511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46238112.

The product of its (nonzero) digits is 15625, while the sum is 35.

The spelling of 105511055500511 in words is "one hundred five trillion, five hundred eleven billion, fifty-five million, five hundred thousand, five hundred eleven".