1055520826878 has 16 divisors (see below), whose sum is σ = 2412619032960. Its totient is φ = 301577379096.

The previous prime is 1055520826859. The next prime is 1055520826939. The reversal of 1055520826878 is 8786280255501.

It is a super-2 number, since 2×1055520826878² (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 7 ways as a sum of consecutive naturals, for example, 12565724088 + ... + 12565724171.

It is an arithmetic number, because the mean of its divisors is an integer number (150788689560).

Almost surely, 2^{1055520826878} is an apocalyptic number.

1055520826878 is an abundant number, since it is smaller than the sum of its proper divisors (1357098206082).

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

1055520826878 is a wasteful number, since it uses less digits than its factorization.

1055520826878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25131448271.

The product of its (nonzero) digits is 10752000, while the sum is 57.

The spelling of 1055520826878 in words is "one trillion, fifty-five billion, five hundred twenty million, eight hundred twenty-six thousand, eight hundred seventy-eight".