7138163381855 has 32 divisors (see below), whose sum is σ = 9441770909760. Its totient is φ = 5137365381120.

The previous prime is 7138163381837. The next prime is 7138163381879. The reversal of 7138163381855 is 5581833618317.

It is a de Polignac number, because none of the positive numbers 2^k-7138163381855 is a prime.

It is a super-2 number, since 2×7138163381855² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7138163381794 and 7138163381803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58992677 + ... + 59113553.

It is an arithmetic number, because the mean of its divisors is an integer number (295055340930).

Almost surely, 2^{7138163381855} is an apocalyptic number.

7138163381855 is a deficient number, since it is larger than the sum of its proper divisors (2303607527905).

7138163381855 is a wasteful number, since it uses less digits than its factorization.

7138163381855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132059.

The product of its digits is 14515200, while the sum is 59.

The spelling of 7138163381855 in words is "seven trillion, one hundred thirty-eight billion, one hundred sixty-three million, three hundred eighty-one thousand, eight hundred fifty-five".