1055161056649 has 8 divisors (see below), whose sum is σ = 1209184179968. Its totient is φ = 901959390720.

The previous prime is 1055161056647. The next prime is 1055161056659. The reversal of 1055161056649 is 9466501615501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055161056649 - 2¹ = 1055161056647 is a prime.

It is a super-2 number, since 2×1055161056649² (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 (1055161056641) 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, 205361592 + ... + 205366729.

It is an arithmetic number, because the mean of its divisors is an integer number (151148022496).

Almost surely, 2^{1055161056649} is an apocalyptic number.

It is an amenable number.

1055161056649 is a deficient number, since it is larger than the sum of its proper divisors (154023123319).

1055161056649 is an equidigital number, since it uses as much as digits as its factorization.

1055161056649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410728695.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 1055161056649 in words is "one trillion, fifty-five billion, one hundred sixty-one million, fifty-six thousand, six hundred forty-nine".