1088055664261 has 4 divisors (see below), whose sum is σ = 1088099043372. Its totient is φ = 1088012285152.

The previous prime is 1088055664247. The next prime is 1088055664279. The reversal of 1088055664261 is 1624665508801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 329928467236 + 758127197025 = 574394^2 + 870705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1088055664261 - 2¹⁷ = 1088055533189 is a prime.

It is a super-3 number, since 3×1088055664261³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1088055664199 and 1088055664208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1088055664231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21651910 + ... + 21702103.

It is an arithmetic number, because the mean of its divisors is an integer number (272024760843).

Almost surely, 2^{1088055664261} is an apocalyptic number.

It is an amenable number.

1088055664261 is a deficient number, since it is larger than the sum of its proper divisors (43379111).

1088055664261 is an equidigital number, since it uses as much as digits as its factorization.

1088055664261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43379110.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 1088055664261 in words is "one trillion, eighty-eight billion, fifty-five million, six hundred sixty-four thousand, two hundred sixty-one".