1055780709148 has 48 divisors (see below), whose sum is σ = 2036917421280. Its totient is φ = 474826752000.

The previous prime is 1055780709131. The next prime is 1055780709187. The reversal of 1055780709148 is 8419070875501.

It is a super-2 number, since 2×1055780709148² (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 15 ways as a sum of consecutive naturals, for example, 6537340 + ... + 6696892.

It is an arithmetic number, because the mean of its divisors is an integer number (42435779610).

Almost surely, 2^{1055780709148} is an apocalyptic number.

It is an amenable number.

1055780709148 is a deficient number, since it is larger than the sum of its proper divisors (981136712132).

1055780709148 is a wasteful number, since it uses less digits than its factorization.

1055780709148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161158 (or 161156 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 55.

The spelling of 1055780709148 in words is "one trillion, fifty-five billion, seven hundred eighty million, seven hundred nine thousand, one hundred forty-eight".