1115538140166 has 32 divisors (see below), whose sum is σ = 2375971105248. Its totient is φ = 347949780480.

The previous prime is 1115538140147. The next prime is 1115538140177. The reversal of 1115538140166 is 6610418355111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31591165 + ... + 31626456.

It is an arithmetic number, because the mean of its divisors is an integer number (74249097039).

Almost surely, 2^{1115538140166} is an apocalyptic number.

1115538140166 is an abundant number, since it is smaller than the sum of its proper divisors (1260432965082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115538140166 is a wasteful number, since it uses less digits than its factorization.

1115538140166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63217816.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 1115538140166 in words is "one trillion, one hundred fifteen billion, five hundred thirty-eight million, one hundred forty thousand, one hundred sixty-six".