1055573310078 has 48 divisors (see below), whose sum is σ = 2698116734976. Its totient is φ = 291863586960.

The previous prime is 1055573310013. The next prime is 1055573310139. The reversal of 1055573310078 is 8700133755501.

1055573310078 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 573 + 3 + 1 + 0 + 0 + 78 = 666.

It is a super-2 number, since 2×1055573310078² (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 23 ways as a sum of consecutive naturals, for example, 135118126 + ... + 135125937.

It is an arithmetic number, because the mean of its divisors is an integer number (56210765312).

Almost surely, 2^{1055573310078} is an apocalyptic number.

1055573310078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1055573310078 is an abundant number, since it is smaller than the sum of its proper divisors (1642543424898).

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

1055573310078 is a wasteful number, since it uses less digits than its factorization.

1055573310078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270244109 (or 270244106 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 1055573310078 in words is "one trillion, fifty-five billion, five hundred seventy-three million, three hundred ten thousand, seventy-eight".