1105268479581 has 8 divisors (see below), whose sum is σ = 1684218635584. Its totient is φ = 631581988320.

The previous prime is 1105268479577. The next prime is 1105268479639. The reversal of 1105268479581 is 1859748625011.

It is a happy number.

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

It is not a de Polignac number, because 1105268479581 - 2² = 1105268479577 is a prime.

It is a super-2 number, since 2×1105268479581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105268479501) 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, 26315916160 + ... + 26315916201.

It is an arithmetic number, because the mean of its divisors is an integer number (210527329448).

Almost surely, 2^{1105268479581} is an apocalyptic number.

It is an amenable number.

1105268479581 is a deficient number, since it is larger than the sum of its proper divisors (578950156003).

1105268479581 is an equidigital number, since it uses as much as digits as its factorization.

1105268479581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52631832371.

The product of its (nonzero) digits is 4838400, while the sum is 57.

The spelling of 1105268479581 in words is "one trillion, one hundred five billion, two hundred sixty-eight million, four hundred seventy-nine thousand, five hundred eighty-one".