1055993378998 has 16 divisors (see below), whose sum is σ = 1639852159680. Its totient is φ = 509683772736.

The previous prime is 1055993378977. The next prime is 1055993379041. The reversal of 1055993378998 is 8998733995501.

It is a super-2 number, since 2×1055993378998² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 76938153 + ... + 76951876.

It is an arithmetic number, because the mean of its divisors is an integer number (102490759980).

Almost surely, 2^{1055993378998} is an apocalyptic number.

1055993378998 is a deficient number, since it is larger than the sum of its proper divisors (583858780682).

1055993378998 is a wasteful number, since it uses less digits than its factorization.

1055993378998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153890151.

The product of its (nonzero) digits is 661348800, while the sum is 76.

The spelling of 1055993378998 in words is "one trillion, fifty-five billion, nine hundred ninety-three million, three hundred seventy-eight thousand, nine hundred ninety-eight".