1105605111051 has 96 divisors (see below), whose sum is σ = 1924871869440. Its totient is φ = 597855025152.

The previous prime is 1105605111049. The next prime is 1105605111101. The reversal of 1105605111051 is 1501115065011.

1105605111051 is a `hidden beast` number, since 1 + 1 + 0 + 5 + 605 + 1 + 1 + 1 + 0 + 51 = 666.

It is not a de Polignac number, because 1105605111051 - 2¹ = 1105605111049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105605111001) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 93160420 + ... + 93172286.

It is an arithmetic number, because the mean of its divisors is an integer number (20050748640).

Almost surely, 2^{1105605111051} is an apocalyptic number.

1105605111051 is a deficient number, since it is larger than the sum of its proper divisors (819266758389).

1105605111051 is a wasteful number, since it uses less digits than its factorization.

1105605111051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12585 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 27.

The spelling of 1105605111051 in words is "one trillion, one hundred five billion, six hundred five million, one hundred eleven thousand, fifty-one".