1055781107575 has 12 divisors (see below), whose sum is σ = 1309442205960. Its totient is φ = 844448348960.

The previous prime is 1055781107531. The next prime is 1055781107599. The reversal of 1055781107575 is 5757011875501.

It is not a de Polignac number, because 1055781107575 - 2²³ = 1055772718967 is a prime.

It is a super-2 number, since 2×1055781107575² (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 11 ways as a sum of consecutive naturals, for example, 4291360 + ... + 4530709.

It is an arithmetic number, because the mean of its divisors is an integer number (109120183830).

Almost surely, 2^{1055781107575} is an apocalyptic number.

1055781107575 is a deficient number, since it is larger than the sum of its proper divisors (253661098385).

1055781107575 is an equidigital number, since it uses as much as digits as its factorization.

1055781107575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8826866 (or 8826861 counting only the distinct ones).

The product of its (nonzero) digits is 1715000, while the sum is 52.

The spelling of 1055781107575 in words is "one trillion, fifty-five billion, seven hundred eighty-one million, one hundred seven thousand, five hundred seventy-five".