1089401155284 has 48 divisors (see below), whose sum is σ = 2801131669952. Its totient is φ = 327404996352.

The previous prime is 1089401155267. The next prime is 1089401155307. The reversal of 1089401155284 is 4825511049801.

It is a super-2 number, since 2×1089401155284² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81194929 + ... + 81208344.

Almost surely, 2^{1089401155284} is an apocalyptic number.

It is an amenable number.

1089401155284 is an abundant number, since it is smaller than the sum of its proper divisors (1711730514668).

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

1089401155284 is a wasteful number, since it uses less digits than its factorization.

1089401155284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162403336 (or 162403334 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 48.

The spelling of 1089401155284 in words is "one trillion, eighty-nine billion, four hundred one million, one hundred fifty-five thousand, two hundred eighty-four".