2265155516 has 24 divisors (see below), whose sum is σ = 4276277040. Its totient is φ = 1043661312.

The previous prime is 2265155513. The next prime is 2265155527. The reversal of 2265155516 is 6155515622.

It is a self number, because there is not a number n which added to its sum of digits gives 2265155516.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265155513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6581 + ... + 67628.

It is an arithmetic number, because the mean of its divisors is an integer number (178178210).

Almost surely, 2^2265155516 is an apocalyptic number.

2265155516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2265155516 is a deficient number, since it is larger than the sum of its proper divisors (2011121524).

2265155516 is a wasteful number, since it uses less digits than its factorization.

2265155516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74813 (or 74811 counting only the distinct ones).

The product of its digits is 90000, while the sum is 38.

The square root of 2265155516 is about 47593.6499545895. The cubic root of 2265155516 is about 1313.3062409200.

The spelling of 2265155516 in words is "two billion, two hundred sixty-five million, one hundred fifty-five thousand, five hundred sixteen".