1061152265 has 16 divisors (see below), whose sum is σ = 1332118656. Its totient is φ = 809952000.

The previous prime is 1061152259. The next prime is 1061152303. The reversal of 1061152265 is 5622511601.

It is a happy number.

It is not a de Polignac number, because 1061152265 - 2⁴ = 1061152249 is a prime.

It is a super-2 number, since 2×1061152265² = 2252088259029260450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34610 + ... + 57620.

It is an arithmetic number, because the mean of its divisors is an integer number (83257416).

Almost surely, 2^1061152265 is an apocalyptic number.

It is an amenable number.

1061152265 is a deficient number, since it is larger than the sum of its proper divisors (270966391).

1061152265 is a wasteful number, since it uses less digits than its factorization.

1061152265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23440.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 1061152265 is about 32575.3321548684. The cubic root of 1061152265 is about 1019.9821427734.

Adding to 1061152265 its reverse (5622511601), we get a palindrome (6683663866).

The spelling of 1061152265 in words is "one billion, sixty-one million, one hundred fifty-two thousand, two hundred sixty-five".