1090255693839 has 8 divisors (see below), whose sum is σ = 1565495355312. Its totient is φ = 670926580800.

The previous prime is 1090255693817. The next prime is 1090255693847. The reversal of 1090255693839 is 9383965520901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1090255693839 - 2³³ = 1081665759247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090255693139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13977637062 + ... + 13977637139.

It is an arithmetic number, because the mean of its divisors is an integer number (195686919414).

Almost surely, 2^{1090255693839} is an apocalyptic number.

1090255693839 is a deficient number, since it is larger than the sum of its proper divisors (475239661473).

1090255693839 is a wasteful number, since it uses less digits than its factorization.

1090255693839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27955274217.

The product of its (nonzero) digits is 15746400, while the sum is 60.

The spelling of 1090255693839 in words is "one trillion, ninety billion, two hundred fifty-five million, six hundred ninety-three thousand, eight hundred thirty-nine".