1055399946670 has 96 divisors (see below), whose sum is σ = 2023503987456. Its totient is φ = 395814988800.

The previous prime is 1055399946649. The next prime is 1055399946677. The reversal of 1055399946670 is 766499935501.

It is a happy number.

It is a super-2 number, since 2×1055399946670² (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 (1055399946677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84880774 + ... + 84893206.

It is an arithmetic number, because the mean of its divisors is an integer number (21078166536).

Almost surely, 2^{1055399946670} is an apocalyptic number.

1055399946670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055399946670 is a deficient number, since it is larger than the sum of its proper divisors (968104040786).

1055399946670 is a wasteful number, since it uses less digits than its factorization.

1055399946670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12666 (or 12599 counting only the distinct ones).

The product of its (nonzero) digits is 55112400, while the sum is 64.

The spelling of 1055399946670 in words is "one trillion, fifty-five billion, three hundred ninety-nine million, nine hundred forty-six thousand, six hundred seventy".