1061135385 has 16 divisors (see below), whose sum is σ = 1703822784. Its totient is φ = 563936832.

The previous prime is 1061135377. The next prime is 1061135441. The reversal of 1061135385 is 5835311601.

It is not a de Polignac number, because 1061135385 - 2³ = 1061135377 is a prime.

It is a super-2 number, since 2×1061135385² = 2252016610598196450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120742 + ... + 129231.

It is an arithmetic number, because the mean of its divisors is an integer number (106488924).

Almost surely, 2^1061135385 is an apocalyptic number.

1061135385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061135385 is a deficient number, since it is larger than the sum of its proper divisors (642687399).

1061135385 is a wasteful number, since it uses less digits than its factorization.

1061135385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250264.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1061135385 is about 32575.0730620823. The cubic root of 1061135385 is about 1019.9767343790.

Adding to 1061135385 its reverse (5835311601), we get a palindrome (6896446986).

The spelling of 1061135385 in words is "one billion, sixty-one million, one hundred thirty-five thousand, three hundred eighty-five".