1121087887775 has 12 divisors (see below), whose sum is σ = 1403645576112. Its totient is φ = 888162829440.

The previous prime is 1121087887753. The next prime is 1121087887793. The reversal of 1121087887775 is 5777887801211.

It is a de Polignac number, because none of the positive numbers 2^k-1121087887775 is a prime.

It is a super-3 number, since 3×1121087887775³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 217684394 + ... + 217689543.

It is an arithmetic number, because the mean of its divisors is an integer number (116970464676).

Almost surely, 2^{1121087887775} is an apocalyptic number.

1121087887775 is a deficient number, since it is larger than the sum of its proper divisors (282557688337).

1121087887775 is a wasteful number, since it uses less digits than its factorization.

1121087887775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435374050 (or 435374045 counting only the distinct ones).

The product of its (nonzero) digits is 12293120, while the sum is 62.

The spelling of 1121087887775 in words is "one trillion, one hundred twenty-one billion, eighty-seven million, eight hundred eighty-seven thousand, seven hundred seventy-five".