1115666050051 has 48 divisors (see below), whose sum is σ = 1369435852800. Its totient is φ = 904918815360.

The previous prime is 1115666050021. The next prime is 1115666050073. The reversal of 1115666050051 is 1500506665111.

It is not a de Polignac number, because 1115666050051 - 2¹⁵ = 1115666017283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115666050021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85165300 + ... + 85178398.

It is an arithmetic number, because the mean of its divisors is an integer number (28529913600).

Almost surely, 2^{1115666050051} is an apocalyptic number.

1115666050051 is a deficient number, since it is larger than the sum of its proper divisors (253769802749).

1115666050051 is a wasteful number, since it uses less digits than its factorization.

1115666050051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14384 (or 14377 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 1115666050051 in words is "one trillion, one hundred fifteen billion, six hundred sixty-six million, fifty thousand, fifty-one".