26011142215 has 16 divisors (see below), whose sum is σ = 32863615200. Its totient is φ = 19709246592.

The previous prime is 26011142197. The next prime is 26011142219. The reversal of 26011142215 is 51224111062.

It is not a de Polignac number, because 26011142215 - 2²¹ = 26009045063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26011142215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26011142219) 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, 426369 + ... + 483541.

It is an arithmetic number, because the mean of its divisors is an integer number (2053975950).

Almost surely, 2^26011142215 is an apocalyptic number.

26011142215 is a deficient number, since it is larger than the sum of its proper divisors (6852472985).

26011142215 is a wasteful number, since it uses less digits than its factorization.

26011142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61986.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 26011142215 its reverse (51224111062), we get a palindrome (77235253277).

The spelling of 26011142215 in words is "twenty-six billion, eleven million, one hundred forty-two thousand, two hundred fifteen".