2261500503305 has 16 divisors (see below), whose sum is σ = 2719937138688. Its totient is φ = 1805110104000.

The previous prime is 2261500503293. The next prime is 2261500503331. The reversal of 2261500503305 is 5033050051622.

It is not a de Polignac number, because 2261500503305 - 2⁴ = 2261500503289 is a prime.

It is a super-2 number, since 2×2261500503305² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

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, 29167940 + ... + 29245370.

It is an arithmetic number, because the mean of its divisors is an integer number (169996071168).

Almost surely, 2^{2261500503305} is an apocalyptic number.

It is an amenable number.

2261500503305 is a deficient number, since it is larger than the sum of its proper divisors (458436635383).

2261500503305 is a wasteful number, since it uses less digits than its factorization.

2261500503305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90568.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 2261500503305 its reverse (5033050051622), we get a palindrome (7294550554927).

The spelling of 2261500503305 in words is "two trillion, two hundred sixty-one billion, five hundred million, five hundred three thousand, three hundred five".