1121669717355 has 64 divisors (see below), whose sum is σ = 2207827699200. Its totient is φ = 535722802560.

The previous prime is 1121669717327. The next prime is 1121669717359. The reversal of 1121669717355 is 5537179661211.

1121669717355 is a `hidden beast` number, since 1 + 1 + 216 + 6 + 9 + 71 + 7 + 355 = 666.

It is not a de Polignac number, because 1121669717355 - 2⁷ = 1121669717227 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1121669717359) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5537320 + ... + 5736309.

It is an arithmetic number, because the mean of its divisors is an integer number (34497307800).

Almost surely, 2^{1121669717355} is an apocalyptic number.

1121669717355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1121669717355 is a deficient number, since it is larger than the sum of its proper divisors (1086157981845).

1121669717355 is a wasteful number, since it uses less digits than its factorization.

1121669717355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11273721 (or 11273715 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The spelling of 1121669717355 in words is "one trillion, one hundred twenty-one billion, six hundred sixty-nine million, seven hundred seventeen thousand, three hundred fifty-five".