1155550065051 has 16 divisors (see below), whose sum is σ = 1541558419200. Its totient is φ = 769954334688.

The previous prime is 1155550065049. The next prime is 1155550065083. The reversal of 1155550065051 is 1505600555511.

It is not a de Polignac number, because 1155550065051 - 2¹ = 1155550065049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1155550065011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50833450 + ... + 50856176.

It is an arithmetic number, because the mean of its divisors is an integer number (96347401200).

Almost surely, 2^{1155550065051} is an apocalyptic number.

1155550065051 is a deficient number, since it is larger than the sum of its proper divisors (386008354149).

1155550065051 is a wasteful number, since it uses less digits than its factorization.

1155550065051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31058.

The product of its (nonzero) digits is 93750, while the sum is 39.

The spelling of 1155550065051 in words is "one trillion, one hundred fifty-five billion, five hundred fifty million, sixty-five thousand, fifty-one".