1061031055 has 64 divisors (see below), whose sum is σ = 1593446400. Its totient is φ = 676190592.

The previous prime is 1061031031. The next prime is 1061031073. The reversal of 1061031055 is 5501301601.

It is not a de Polignac number, because 1061031055 - 2⁹ = 1061030543 is a prime.

It is a super-2 number, since 2×1061031055² = 2251573799348826050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1459102 + ... + 1459828.

It is an arithmetic number, because the mean of its divisors is an integer number (24897600).

Almost surely, 2^1061031055 is an apocalyptic number.

1061031055 is a deficient number, since it is larger than the sum of its proper divisors (532415345).

1061031055 is an equidigital number, since it uses as much as digits as its factorization.

1061031055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 799 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1061031055 is about 32573.4716448830. The cubic root of 1061031055 is about 1019.9433055122.

Adding to 1061031055 its reverse (5501301601), we get a palindrome (6562332656).

The spelling of 1061031055 in words is "one billion, sixty-one million, thirty-one thousand, fifty-five".