26115013427 has 16 divisors (see below), whose sum is σ = 26893944000. Its totient is φ = 25343155200.

The previous prime is 26115013409. The next prime is 26115013439. The reversal of 26115013427 is 72431051162.

It is a cyclic number.

It is not a de Polignac number, because 26115013427 - 2¹⁴ = 26114997043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26115013393 and 26115013402.

It is not an unprimeable number, because it can be changed into a prime (26114013427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9498449 + ... + 9501197.

It is an arithmetic number, because the mean of its divisors is an integer number (1680871500).

Almost surely, 2^26115013427 is an apocalyptic number.

26115013427 is a deficient number, since it is larger than the sum of its proper divisors (778930573).

26115013427 is a wasteful number, since it uses less digits than its factorization.

26115013427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 26115013427 its reverse (72431051162), we get a palindrome (98546064589).

The spelling of 26115013427 in words is "twenty-six billion, one hundred fifteen million, thirteen thousand, four hundred twenty-seven".