7042257311 has 6 divisors (see below), whose sum is σ = 7293468312. Its totient is φ = 6799420040.

The previous prime is 7042257307. The next prime is 7042257329. The reversal of 7042257311 is 1137522407.

It is not a de Polignac number, because 7042257311 - 2² = 7042257307 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042257331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4185995 + ... + 4187676.

It is an arithmetic number, because the mean of its divisors is an integer number (1215578052).

Almost surely, 2^7042257311 is an apocalyptic number.

7042257311 is a deficient number, since it is larger than the sum of its proper divisors (251211001).

7042257311 is an equidigital number, since it uses as much as digits as its factorization.

7042257311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8373729 (or 8373700 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 7042257311 is about 83918.1584104418. The cubic root of 7042257311 is about 1916.7727642071.

Adding to 7042257311 its reverse (1137522407), we get a palindrome (8179779718).

The spelling of 7042257311 in words is "seven billion, forty-two million, two hundred fifty-seven thousand, three hundred eleven".