138015258001 has 2 divisors, whose sum is σ = 138015258002. Its totient is φ = 138015258000.

The previous prime is 138015257987. The next prime is 138015258023. The reversal of 138015258001 is 100852510831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72589291776 + 65425966225 = 269424^2 + 255785^2 .

It is a cyclic number.

It is not a de Polignac number, because 138015258001 - 2⁷ = 138015257873 is a prime.

It is a super-2 number, since 2×138015258001² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (138015258301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69007629000 + 69007629001.

It is an arithmetic number, because the mean of its divisors is an integer number (69007629001).

Almost surely, 2^138015258001 is an apocalyptic number.

It is an amenable number.

138015258001 is a deficient number, since it is larger than the sum of its proper divisors (1).

138015258001 is an equidigital number, since it uses as much as digits as its factorization.

138015258001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 34.

Adding to 138015258001 its reverse (100852510831), we get a palindrome (238867768832).

The spelling of 138015258001 in words is "one hundred thirty-eight billion, fifteen million, two hundred fifty-eight thousand, one".