26013041215 has 32 divisors (see below), whose sum is σ = 37801157760. Its totient is φ = 16775983104.

The previous prime is 26013041161. The next prime is 26013041231. The reversal of 26013041215 is 51214031062.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26013041215 - 2¹¹ = 26013039167 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26013041215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837381 + ... + 867889.

It is an arithmetic number, because the mean of its divisors is an integer number (1181286180).

Almost surely, 2^26013041215 is an apocalyptic number.

26013041215 is a deficient number, since it is larger than the sum of its proper divisors (11788116545).

26013041215 is a wasteful number, since it uses less digits than its factorization.

26013041215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31971.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 26013041215 its reverse (51214031062), we get a palindrome (77227072277).

The spelling of 26013041215 in words is "twenty-six billion, thirteen million, forty-one thousand, two hundred fifteen".