1055687343405 has 32 divisors (see below), whose sum is σ = 1690433566848. Its totient is φ = 562588857600.

The previous prime is 1055687343401. The next prime is 1055687343463. The reversal of 1055687343405 is 5043437865501.

It is not a de Polignac number, because 1055687343405 - 2² = 1055687343401 is a prime.

It is a super-2 number, since 2×1055687343405² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055687343401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167115307 + ... + 167121623.

It is an arithmetic number, because the mean of its divisors is an integer number (52826048964).

Almost surely, 2^{1055687343405} is an apocalyptic number.

1055687343405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055687343405 is a deficient number, since it is larger than the sum of its proper divisors (634746223443).

1055687343405 is a wasteful number, since it uses less digits than its factorization.

1055687343405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13357.

The product of its (nonzero) digits is 6048000, while the sum is 51.

The spelling of 1055687343405 in words is "one trillion, fifty-five billion, six hundred eighty-seven million, three hundred forty-three thousand, four hundred five".