1165015461 has 16 divisors (see below), whose sum is σ = 1587656448. Its totient is φ = 759552000.

The previous prime is 1165015447. The next prime is 1165015471. The reversal of 1165015461 is 1645105611.

It is not a de Polignac number, because 1165015461 - 2¹⁷ = 1164884389 is a prime.

It is a super-2 number, since 2×1165015461² = 2714522048738085042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1165015421) 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, 240261 + ... + 245061.

It is an arithmetic number, because the mean of its divisors is an integer number (99228528).

Almost surely, 2^1165015461 is an apocalyptic number.

It is an amenable number.

1165015461 is a deficient number, since it is larger than the sum of its proper divisors (422640987).

1165015461 is a wasteful number, since it uses less digits than its factorization.

1165015461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6572.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1165015461 is about 34132.3228187008. The cubic root of 1165015461 is about 1052.2297170836.

The spelling of 1165015461 in words is "one billion, one hundred sixty-five million, fifteen thousand, four hundred sixty-one".