1055134251405 has 192 divisors, whose sum is σ = 2136895488000. Its totient is φ = 477352465920.

The previous prime is 1055134251397. The next prime is 1055134251439. The reversal of 1055134251405 is 5041524315501.

1055134251405 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 134 + 2 + 514 + 0 + 5 = 666.

It is not a de Polignac number, because 1055134251405 - 2³ = 1055134251397 is a prime.

It is a super-2 number, since 2×1055134251405² (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 1055134251405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 57968496 + ... + 57986694.

It is an arithmetic number, because the mean of its divisors is an integer number (11129664000).

Almost surely, 2^{1055134251405} is an apocalyptic number.

1055134251405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055134251405 is an abundant number, since it is smaller than the sum of its proper divisors (1081761236595).

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

1055134251405 is a wasteful number, since it uses less digits than its factorization.

1055134251405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18416 (or 18413 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 1055134251405 its reverse (5041524315501), we get a palindrome (6096658566906).

The spelling of 1055134251405 in words is "one trillion, fifty-five billion, one hundred thirty-four million, two hundred fifty-one thousand, four hundred five".