1055577516643 has 8 divisors (see below), whose sum is σ = 1151165355200. Its totient is φ = 962045330688.

The previous prime is 1055577516629. The next prime is 1055577516647. The reversal of 1055577516643 is 3466157755501.

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

It is not a de Polignac number, because 1055577516643 - 2⁹ = 1055577516131 is a prime.

It is a super-2 number, since 2×1055577516643² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055577516647) 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, 513912078 + ... + 513914131.

It is an arithmetic number, because the mean of its divisors is an integer number (143895669400).

Almost surely, 2^{1055577516643} is an apocalyptic number.

1055577516643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1055577516643 is a deficient number, since it is larger than the sum of its proper divisors (95587838557).

1055577516643 is a wasteful number, since it uses less digits than its factorization.

1055577516643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027826301.

The product of its (nonzero) digits is 13230000, while the sum is 55.

The spelling of 1055577516643 in words is "one trillion, fifty-five billion, five hundred seventy-seven million, five hundred sixteen thousand, six hundred forty-three".