22780450115615 has 16 divisors (see below), whose sum is σ = 27666268707168. Its totient is φ = 18004546962816.

The previous prime is 22780450115611. The next prime is 22780450115629. The reversal of 22780450115615 is 51651105408722.

It is a cyclic number.

It is not a de Polignac number, because 22780450115615 - 2² = 22780450115611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22780450115615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22780450115611) 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, 34414709 + ... + 35070401.

It is an arithmetic number, because the mean of its divisors is an integer number (1729141794198).

Almost surely, 2^{22780450115615} is an apocalyptic number.

22780450115615 is a deficient number, since it is larger than the sum of its proper divisors (4885818591553).

22780450115615 is an equidigital number, since it uses as much as digits as its factorization.

22780450115615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739498.

The product of its (nonzero) digits is 672000, while the sum is 47.

The spelling of 22780450115615 in words is "twenty-two trillion, seven hundred eighty billion, four hundred fifty million, one hundred fifteen thousand, six hundred fifteen".