1117407748078 has 16 divisors (see below), whose sum is σ = 1788253807824. Its totient is φ = 521824900480.

The previous prime is 1117407748063. The next prime is 1117407748091. The reversal of 1117407748078 is 8708477047111.

It is a super-2 number, since 2×1117407748078² (a number of 25 digits) contains 22 as substring.

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, 125434225 + ... + 125443132.

It is an arithmetic number, because the mean of its divisors is an integer number (111765862989).

Almost surely, 2^{1117407748078} is an apocalyptic number.

1117407748078 is a deficient number, since it is larger than the sum of its proper divisors (670846059746).

1117407748078 is a wasteful number, since it uses less digits than its factorization.

1117407748078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250877507.

The product of its (nonzero) digits is 2458624, while the sum is 55.

The spelling of 1117407748078 in words is "one trillion, one hundred seventeen billion, four hundred seven million, seven hundred forty-eight thousand, seventy-eight".