1055505522757 has 8 divisors (see below), whose sum is σ = 1206298464896. Its totient is φ = 904714190352.

The previous prime is 1055505522749. The next prime is 1055505522763. The reversal of 1055505522757 is 7572255055501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055505522757 - 2³ = 1055505522749 is a prime.

It is a super-2 number, since 2×1055505522757² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055505522757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055505522707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823368 + ... + 2331454.

It is an arithmetic number, because the mean of its divisors is an integer number (150787308112).

Almost surely, 2^{1055505522757} is an apocalyptic number.

It is an amenable number.

1055505522757 is a deficient number, since it is larger than the sum of its proper divisors (150792942139).

1055505522757 is an equidigital number, since it uses as much as digits as its factorization.

1055505522757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804867.

The product of its (nonzero) digits is 3062500, while the sum is 49.

The spelling of 1055505522757 in words is "one trillion, fifty-five billion, five hundred five million, five hundred twenty-two thousand, seven hundred fifty-seven".