1088115089921 has 16 divisors (see below), whose sum is σ = 1149800400000. Its totient is φ = 1026872453376.

The previous prime is 1088115089911. The next prime is 1088115089939. The reversal of 1088115089921 is 1299805118801.

It is a cyclic number.

It is not a de Polignac number, because 1088115089921 - 2⁶ = 1088115089857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1088115089911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68474345 + ... + 68490233.

It is an arithmetic number, because the mean of its divisors is an integer number (71862525000).

Almost surely, 2^{1088115089921} is an apocalyptic number.

It is an amenable number.

1088115089921 is a deficient number, since it is larger than the sum of its proper divisors (61685310079).

1088115089921 is a wasteful number, since it uses less digits than its factorization.

1088115089921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29576.

The product of its (nonzero) digits is 414720, while the sum is 53.

The spelling of 1088115089921 in words is "one trillion, eighty-eight billion, one hundred fifteen million, eighty-nine thousand, nine hundred twenty-one".