7120289755 has 4 divisors (see below), whose sum is σ = 8544347712. Its totient is φ = 5696231800.

The previous prime is 7120289689. The next prime is 7120289779. The reversal of 7120289755 is 5579820217.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5579820217 = 23 ⋅242600879.

It is not a de Polignac number, because 7120289755 - 2²¹ = 7118192603 is a prime.

It is a super-4 number, since 4×7120289755⁴ (a number of 41 digits) contains 4444 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712028971 + ... + 712028980.

It is an arithmetic number, because the mean of its divisors is an integer number (2136086928).

Almost surely, 2^7120289755 is an apocalyptic number.

7120289755 is a deficient number, since it is larger than the sum of its proper divisors (1424057957).

7120289755 is a wasteful number, since it uses less digits than its factorization.

7120289755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424057956.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 7120289755 is about 84381.8093844876. The cubic root of 7120289755 is about 1923.8264398075.

The spelling of 7120289755 in words is "seven billion, one hundred twenty million, two hundred eighty-nine thousand, seven hundred fifty-five".