1043116465 has 16 divisors (see below), whose sum is σ = 1291530240. Its totient is φ = 808260480.

The previous prime is 1043116441. The next prime is 1043116471. The reversal of 1043116465 is 5646113401.

It is not a de Polignac number, because 1043116465 - 2⁵ = 1043116433 is a prime.

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, 10192 + ... + 46798.

It is an arithmetic number, because the mean of its divisors is an integer number (80720640).

Almost surely, 2^1043116465 is an apocalyptic number.

It is an amenable number.

1043116465 is a deficient number, since it is larger than the sum of its proper divisors (248413775).

1043116465 is a wasteful number, since it uses less digits than its factorization.

1043116465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36792.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 1043116465 is about 32297.3135879751. The cubic root of 1043116465 is about 1014.1704061161.

Adding to 1043116465 its reverse (5646113401), we get a palindrome (6689229866).

It can be divided in two parts, 10431 and 16465, that added together give a square (26896 = 164²).

The spelling of 1043116465 in words is "one billion, forty-three million, one hundred sixteen thousand, four hundred sixty-five".