23025515411989 has 2 divisors, whose sum is σ = 23025515411990. Its totient is φ = 23025515411988.

The previous prime is 23025515411953. The next prime is 23025515412023. The reversal of 23025515411989 is 98911451552032.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21492727800625 + 1532787611364 = 4636025^2 + 1238058^2 .

It is a cyclic number.

It is not a de Polignac number, because 23025515411989 - 2¹⁵ = 23025515379221 is a prime.

It is a super-2 number, since 2×23025515411989² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23025515414989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11512757705994 + 11512757705995.

It is an arithmetic number, because the mean of its divisors is an integer number (11512757705995).

Almost surely, 2^{23025515411989} is an apocalyptic number.

It is an amenable number.

23025515411989 is a deficient number, since it is larger than the sum of its proper divisors (1).

23025515411989 is an equidigital number, since it uses as much as digits as its factorization.

23025515411989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 55.

The spelling of 23025515411989 in words is "twenty-three trillion, twenty-five billion, five hundred fifteen million, four hundred eleven thousand, nine hundred eighty-nine".