1055567311 has 8 divisors (see below), whose sum is σ = 1080552704. Its totient is φ = 1030601880.

The previous prime is 1055567297. The next prime is 1055567321. The reversal of 1055567311 is 1137655501.

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 1055567311 - 2¹³ = 1055559119 is a prime.

It is a super-2 number, since 2×1055567311² = 2228444696103541442, which 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 (1055567321) 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, 194740 + ... + 200086.

It is an arithmetic number, because the mean of its divisors is an integer number (135069088).

Almost surely, 2^1055567311 is an apocalyptic number.

1055567311 is a deficient number, since it is larger than the sum of its proper divisors (24985393).

1055567311 is an equidigital number, since it uses as much as digits as its factorization.

1055567311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9981.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 1055567311 is about 32489.4953946656. The cubic root of 1055567311 is about 1018.1895704566.

The spelling of 1055567311 in words is "one billion, fifty-five million, five hundred sixty-seven thousand, three hundred eleven".