1090727145558 has 48 divisors (see below), whose sum is σ = 2402647015392. Its totient is φ = 357516720000.

The previous prime is 1090727145509. The next prime is 1090727145583. The reversal of 1090727145558 is 8555417270901.

1090727145558 is a `hidden beast` number, since 1 + 0 + 9 + 0 + 72 + 7 + 14 + 5 + 558 = 666.

It is a super-3 number, since 3×1090727145558³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3895458 + ... + 4166058.

It is an arithmetic number, because the mean of its divisors is an integer number (50055146154).

Almost surely, 2^{1090727145558} is an apocalyptic number.

1090727145558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1090727145558 is an abundant number, since it is smaller than the sum of its proper divisors (1311919869834).

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

1090727145558 is a wasteful number, since it uses less digits than its factorization.

1090727145558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274341 (or 274338 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 54.

The spelling of 1090727145558 in words is "one trillion, ninety billion, seven hundred twenty-seven million, one hundred forty-five thousand, five hundred fifty-eight".