7240618861118 has 4 divisors (see below), whose sum is σ = 10860928291680. Its totient is φ = 3620309430558.

The previous prime is 7240618861111. The next prime is 7240618861159. The reversal of 7240618861118 is 8111688160427.

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

It is a super-2 number, since 2×7240618861118² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7240618861118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240618861111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810154715278 + ... + 1810154715281.

It is an arithmetic number, because the mean of its divisors is an integer number (2715232072920).

Almost surely, 2^{7240618861118} is an apocalyptic number.

7240618861118 is a deficient number, since it is larger than the sum of its proper divisors (3620309430562).

7240618861118 is a wasteful number, since it uses less digits than its factorization.

7240618861118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3620309430561.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The spelling of 7240618861118 in words is "seven trillion, two hundred forty billion, six hundred eighteen million, eight hundred sixty-one thousand, one hundred eighteen".