1161818058063 has 64 divisors (see below), whose sum is σ = 1746276761600. Its totient is φ = 682198433280.

The previous prime is 1161818058061. The next prime is 1161818058133. The reversal of 1161818058063 is 3608508181611.

It is a happy number.

It is not a de Polignac number, because 1161818058063 - 2¹ = 1161818058061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161818058061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 72293793 + ... + 72309861.

It is an arithmetic number, because the mean of its divisors is an integer number (27285574400).

Almost surely, 2^{1161818058063} is an apocalyptic number.

1161818058063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1161818058063 is a deficient number, since it is larger than the sum of its proper divisors (584458703537).

1161818058063 is a wasteful number, since it uses less digits than its factorization.

1161818058063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16952.

The product of its (nonzero) digits is 276480, while the sum is 48.

The spelling of 1161818058063 in words is "one trillion, one hundred sixty-one billion, eight hundred eighteen million, fifty-eight thousand, sixty-three".