2278372511 has 2 divisors, whose sum is σ = 2278372512. Its totient is φ = 2278372510.

The previous prime is 2278372471. The next prime is 2278372519. The reversal of 2278372511 is 1152738722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2278372511 - 2¹⁴ = 2278356127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2278372519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139186255 + 1139186256.

It is an arithmetic number, because the mean of its divisors is an integer number (1139186256).

Almost surely, 2^2278372511 is an apocalyptic number.

2278372511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278372511 is an equidigital number, since it uses as much as digits as its factorization.

2278372511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 38.

The square root of 2278372511 is about 47732.3004997664. The cubic root of 2278372511 is about 1315.8556332474.

It can be divided in two parts, 227 and 8372511, that added together give a palindrome (8372738).

The spelling of 2278372511 in words is "two billion, two hundred seventy-eight million, three hundred seventy-two thousand, five hundred eleven".