1061440511 has 2 divisors, whose sum is σ = 1061440512. Its totient is φ = 1061440510.

The previous prime is 1061440507. The next prime is 1061440519. The reversal of 1061440511 is 1150441601.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1061440511 - 2² = 1061440507 is a prime.

It is a super-2 number, since 2×1061440511² = 2253311916783882242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061440519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530720255 + 530720256.

It is an arithmetic number, because the mean of its divisors is an integer number (530720256).

Almost surely, 2^1061440511 is an apocalyptic number.

1061440511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061440511 is an equidigital number, since it uses as much as digits as its factorization.

1061440511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1061440511 is about 32579.7561531697. The cubic root of 1061440511 is about 1020.0744886649.

The spelling of 1061440511 in words is "one billion, sixty-one million, four hundred forty thousand, five hundred eleven".