7840034226511 has 4 divisors (see below), whose sum is σ = 7862243955552. Its totient is φ = 7817824497472.

The previous prime is 7840034226499. The next prime is 7840034226529. The reversal of 7840034226511 is 1156224300487.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7840034226511 - 2⁹ = 7840034225999 is a prime.

It is a super-2 number, since 2×7840034226511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7840034226551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11104863991 + ... + 11104864696.

It is an arithmetic number, because the mean of its divisors is an integer number (1965560988888).

Almost surely, 2^{7840034226511} is an apocalyptic number.

7840034226511 is a deficient number, since it is larger than the sum of its proper divisors (22209729041).

7840034226511 is a wasteful number, since it uses less digits than its factorization.

7840034226511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22209729040.

The product of its (nonzero) digits is 322560, while the sum is 43.

Adding to 7840034226511 its reverse (1156224300487), we get a palindrome (8996258526998).

The spelling of 7840034226511 in words is "seven trillion, eight hundred forty billion, thirty-four million, two hundred twenty-six thousand, five hundred eleven".