1055353417885 has 32 divisors (see below), whose sum is σ = 1376813168640. Its totient is φ = 771927833088.

The previous prime is 1055353417879. The next prime is 1055353417919. The reversal of 1055353417885 is 5887143535501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1055353417885 - 2²¹ = 1055351320733 is a prime.

It is a super-2 number, since 2×1055353417885² (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 31 ways as a sum of consecutive naturals, for example, 74613124 + ... + 74627266.

It is an arithmetic number, because the mean of its divisors is an integer number (43025411520).

Almost surely, 2^{1055353417885} is an apocalyptic number.

It is an amenable number.

1055353417885 is a deficient number, since it is larger than the sum of its proper divisors (321459750755).

1055353417885 is a wasteful number, since it uses less digits than its factorization.

1055353417885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24997.

The product of its (nonzero) digits is 10080000, while the sum is 55.

The spelling of 1055353417885 in words is "one trillion, fifty-five billion, three hundred fifty-three million, four hundred seventeen thousand, eight hundred eighty-five".