7638245637011 has 12 divisors (see below), whose sum is σ = 8851619043240. Its totient is φ = 6535397333760.

The previous prime is 7638245636951. The next prime is 7638245637017. The reversal of 7638245637011 is 1107365428367.

It is not a de Polignac number, because 7638245637011 - 2³⁰ = 7637171895187 is a prime.

It is a super-2 number, since 2×7638245637011² (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 (7638245637017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1201356626 + ... + 1201362983.

It is an arithmetic number, because the mean of its divisors is an integer number (737634920270).

Almost surely, 2^{7638245637011} is an apocalyptic number.

7638245637011 is a deficient number, since it is larger than the sum of its proper divisors (1213373406229).

7638245637011 is a wasteful number, since it uses less digits than its factorization.

7638245637011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402719654 (or 2402719637 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 7638245637011 in words is "seven trillion, six hundred thirty-eight billion, two hundred forty-five million, six hundred thirty-seven thousand, eleven".