26015542213 has 8 divisors (see below), whose sum is σ = 27242584128. Its totient is φ = 24796494624.

The previous prime is 26015542193. The next prime is 26015542279. The reversal of 26015542213 is 31224551062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26015542213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26015542283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1991920 + ... + 2004937.

It is an arithmetic number, because the mean of its divisors is an integer number (3405323016).

Almost surely, 2^26015542213 is an apocalyptic number.

26015542213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26015542213 is a deficient number, since it is larger than the sum of its proper divisors (1227041915).

26015542213 is a wasteful number, since it uses less digits than its factorization.

26015542213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3997163.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 26015542213 in words is "twenty-six billion, fifteen million, five hundred forty-two thousand, two hundred thirteen".