1091516095888 has 40 divisors (see below), whose sum is σ = 2198137935168. Its totient is φ = 524610122112.

The previous prime is 1091516095867. The next prime is 1091516095919. The reversal of 1091516095888 is 8885906151901.

It is a super-2 number, since 2×1091516095888² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11057956 + ... + 11156227.

Almost surely, 2^{1091516095888} is an apocalyptic number.

It is an amenable number.

1091516095888 is an abundant number, since it is smaller than the sum of its proper divisors (1106621839280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1091516095888 is a wasteful number, since it uses less digits than its factorization.

1091516095888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22214311 (or 22214305 counting only the distinct ones).

The product of its (nonzero) digits is 6220800, while the sum is 61.

The spelling of 1091516095888 in words is "one trillion, ninety-one billion, five hundred sixteen million, ninety-five thousand, eight hundred eighty-eight".