7118495007397 has 4 divisors (see below), whose sum is σ = 7118699849676. Its totient is φ = 7118290165120.

The previous prime is 7118495007389. The next prime is 7118495007439. The reversal of 7118495007397 is 7937005948117.

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

It can be written as a sum of positive squares in 2 ways, for example, as 703449560961 + 6415045446436 = 838719^2 + 2532794^2 .

It is a cyclic number.

It is not a de Polignac number, because 7118495007397 - 2³ = 7118495007389 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 (7118495007797) 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, 102369004 + ... + 102438517.

It is an arithmetic number, because the mean of its divisors is an integer number (1779674962419).

Almost surely, 2^{7118495007397} is an apocalyptic number.

It is an amenable number.

7118495007397 is a deficient number, since it is larger than the sum of its proper divisors (204842279).

7118495007397 is a wasteful number, since it uses less digits than its factorization.

7118495007397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204842278.

The product of its (nonzero) digits is 13335840, while the sum is 61.

The spelling of 7118495007397 in words is "seven trillion, one hundred eighteen billion, four hundred ninety-five million, seven thousand, three hundred ninety-seven".