1055245646651 has 16 divisors (see below), whose sum is σ = 1261598846400. Its totient is φ = 863494291968.

The previous prime is 1055245646639. The next prime is 1055245646677. The reversal of 1055245646651 is 1566465425501.

It is not a de Polignac number, because 1055245646651 - 2¹⁴ = 1055245630267 is a prime.

It is a super-2 number, since 2×1055245646651² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055245646651.

It is not an unprimeable number, because it can be changed into a prime (1055245646251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29185610 + ... + 29221743.

It is an arithmetic number, because the mean of its divisors is an integer number (78849927900).

Almost surely, 2^{1055245646651} is an apocalyptic number.

1055245646651 is a deficient number, since it is larger than the sum of its proper divisors (206353199749).

1055245646651 is an equidigital number, since it uses as much as digits as its factorization.

1055245646651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58407478.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 1055245646651 in words is "one trillion, fifty-five billion, two hundred forty-five million, six hundred forty-six thousand, six hundred fifty-one".