105511656016405 has 16 divisors (see below), whose sum is σ = 141117756655680. Its totient is φ = 75262803547392.

The previous prime is 105511656016313. The next prime is 105511656016457. The reversal of 105511656016405 is 504610656115501.

It is a cyclic number.

It is not a de Polignac number, because 105511656016405 - 2²⁹ = 105511119145493 is a prime.

It is a super-2 number, since 2×105511656016405² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32666145759 + ... + 32666148988.

It is an arithmetic number, because the mean of its divisors is an integer number (8819859790980).

Almost surely, 2^{105511656016405} is an apocalyptic number.

It is an amenable number.

105511656016405 is a deficient number, since it is larger than the sum of its proper divisors (35606100639275).

105511656016405 is a wasteful number, since it uses less digits than its factorization.

105511656016405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65332294788.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 105511656016405 in words is "one hundred five trillion, five hundred eleven billion, six hundred fifty-six million, sixteen thousand, four hundred five".