1155205070066 has 16 divisors (see below), whose sum is σ = 1774002746880. Its totient is φ = 563930916960.

The previous prime is 1155205070057. The next prime is 1155205070119. The reversal of 1155205070066 is 6600705025511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14985290 + ... + 15062181.

It is an arithmetic number, because the mean of its divisors is an integer number (110875171680).

Almost surely, 2^{1155205070066} is an apocalyptic number.

1155205070066 is a deficient number, since it is larger than the sum of its proper divisors (618797676814).

1155205070066 is a wasteful number, since it uses less digits than its factorization.

1155205070066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30047929.

The product of its (nonzero) digits is 63000, while the sum is 38.

The spelling of 1155205070066 in words is "one trillion, one hundred fifty-five billion, two hundred five million, seventy thousand, sixty-six".