1115171317028 has 96 divisors (see below), whose sum is σ = 2182290647040. Its totient is φ = 496203079680.

The previous prime is 1115171317027. The next prime is 1115171317049. The reversal of 1115171317028 is 8207131715111.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 1115171316982 and 1115171317000.

It is not an unprimeable number, because it can be changed into a prime (1115171317027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31878275 + ... + 31913237.

It is an arithmetic number, because the mean of its divisors is an integer number (22732194240).

Almost surely, 2^{1115171317028} is an apocalyptic number.

It is an amenable number.

1115171317028 is a deficient number, since it is larger than the sum of its proper divisors (1067119330012).

1115171317028 is a wasteful number, since it uses less digits than its factorization.

1115171317028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35337 (or 35335 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 38.

The spelling of 1115171317028 in words is "one trillion, one hundred fifteen billion, one hundred seventy-one million, three hundred seventeen thousand, twenty-eight".