2265111220461 has 16 divisors (see below), whose sum is σ = 3095526477120. Its totient is φ = 1472501923200.

The previous prime is 2265111220441. The next prime is 2265111220481. The reversal of 2265111220461 is 1640221115622.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2265111220441) and next prime (2265111220481).

It is not a de Polignac number, because 2265111220461 - 2¹⁴ = 2265111204077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265111220441) 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, 14530626 + ... + 14685683.

It is an arithmetic number, because the mean of its divisors is an integer number (193470404820).

Almost surely, 2^{2265111220461} is an apocalyptic number.

It is an amenable number.

2265111220461 is a deficient number, since it is larger than the sum of its proper divisors (830415256659).

2265111220461 is a wasteful number, since it uses less digits than its factorization.

2265111220461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29216956.

The product of its (nonzero) digits is 11520, while the sum is 33.

The spelling of 2265111220461 in words is "two trillion, two hundred sixty-five billion, one hundred eleven million, two hundred twenty thousand, four hundred sixty-one".