1117948856157 has 128 divisors (see below), whose sum is σ = 2028239585280. Its totient is φ = 594057784320.

The previous prime is 1117948856147. The next prime is 1117948856197. The reversal of 1117948856157 is 7516588497111.

1117948856157 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 9 + 4 + 8 + 8 + 5 + 615 + 7 = 666.

It is not a de Polignac number, because 1117948856157 - 2¹¹ = 1117948854109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 1117948856094 and 1117948856103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117948856147) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 136480932 + ... + 136489122.

It is an arithmetic number, because the mean of its divisors is an integer number (15845621760).

Almost surely, 2^{1117948856157} is an apocalyptic number.

1117948856157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1117948856157 is a deficient number, since it is larger than the sum of its proper divisors (910290729123).

1117948856157 is a wasteful number, since it uses less digits than its factorization.

1117948856157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728 (or 8722 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 63.

The spelling of 1117948856157 in words is "one trillion, one hundred seventeen billion, nine hundred forty-eight million, eight hundred fifty-six thousand, one hundred fifty-seven".