1155550165054 has 16 divisors (see below), whose sum is σ = 1783588772016. Its totient is φ = 561080520000.

The previous prime is 1155550165013. The next prime is 1155550165061. The reversal of 1155550165054 is 4505610555511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155550165054.

It is a congruent number.

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, 14947572 + ... + 15024679.

It is an arithmetic number, because the mean of its divisors is an integer number (111474298251).

Almost surely, 2^{1155550165054} is an apocalyptic number.

1155550165054 is a deficient number, since it is larger than the sum of its proper divisors (628038606962).

1155550165054 is a wasteful number, since it uses less digits than its factorization.

1155550165054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29972811.

The product of its (nonzero) digits is 375000, while the sum is 43.

The spelling of 1155550165054 in words is "one trillion, one hundred fifty-five billion, five hundred fifty million, one hundred sixty-five thousand, fifty-four".