7138887744001 has 4 divisors (see below), whose sum is σ = 7688032955092. Its totient is φ = 6589742532912.

The previous prime is 7138887743921. The next prime is 7138887744139. The reversal of 7138887744001 is 1004477888317.

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 3976095820225 + 3162791923776 = 1994015^2 + 1778424^2 .

It is a cyclic number.

It is not a de Polignac number, because 7138887744001 - 2³⁵ = 7104528005633 is a prime.

It is a super-2 number, since 2×7138887744001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7138887744601) 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, 274572605526 + ... + 274572605551.

It is an arithmetic number, because the mean of its divisors is an integer number (1922008238773).

Almost surely, 2^{7138887744001} is an apocalyptic number.

It is an amenable number.

7138887744001 is a deficient number, since it is larger than the sum of its proper divisors (549145211091).

7138887744001 is a wasteful number, since it uses less digits than its factorization.

7138887744001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549145211090.

The product of its (nonzero) digits is 8429568, while the sum is 58.

The spelling of 7138887744001 in words is "seven trillion, one hundred thirty-eight billion, eight hundred eighty-seven million, seven hundred forty-four thousand, one".