26112462515 has 4 divisors (see below), whose sum is σ = 31334955024. Its totient is φ = 20889970008.

The previous prime is 26112462479. The next prime is 26112462521. The reversal of 26112462515 is 51526421162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26112462515 - 2¹⁶ = 26112396979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2611246247 + ... + 2611246256.

It is an arithmetic number, because the mean of its divisors is an integer number (7833738756).

Almost surely, 2^26112462515 is an apocalyptic number.

26112462515 is a deficient number, since it is larger than the sum of its proper divisors (5222492509).

26112462515 is an equidigital number, since it uses as much as digits as its factorization.

26112462515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222492508.

The product of its digits is 28800, while the sum is 35.

Adding to 26112462515 its reverse (51526421162), we get a palindrome (77638883677).

The spelling of 26112462515 in words is "twenty-six billion, one hundred twelve million, four hundred sixty-two thousand, five hundred fifteen".