1055512263 has 16 divisors (see below), whose sum is σ = 1595377280. Its totient is φ = 615358944.

The previous prime is 1055512259. The next prime is 1055512309. The reversal of 1055512263 is 3622155501.

It is a happy number.

It is not a de Polignac number, because 1055512263 - 2² = 1055512259 is a prime.

It is a super-2 number, since 2×1055512263² = 2228212274686762338, which 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 1055512263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055512223) 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, 711481 + ... + 712962.

It is an arithmetic number, because the mean of its divisors is an integer number (99711080).

Almost surely, 2^1055512263 is an apocalyptic number.

1055512263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1055512263 is a deficient number, since it is larger than the sum of its proper divisors (539865017).

1055512263 is a wasteful number, since it uses less digits than its factorization.

1055512263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424478.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1055512263 is about 32488.6482174928. The cubic root of 1055512263 is about 1018.1718705673.

Adding to 1055512263 its reverse (3622155501), we get a palindrome (4677667764).

The spelling of 1055512263 in words is "one billion, fifty-five million, five hundred twelve thousand, two hundred sixty-three".