26158602902 has 4 divisors (see below), whose sum is σ = 39237904356. Its totient is φ = 13079301450.

The previous prime is 26158602853. The next prime is 26158602983. The reversal of 26158602902 is 20920685162.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26158602902.

It is a congruent 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 as a sum of consecutive naturals, namely, 6539650724 + ... + 6539650727.

It is an arithmetic number, because the mean of its divisors is an integer number (9809476089).

Almost surely, 2^26158602902 is an apocalyptic number.

26158602902 is a deficient number, since it is larger than the sum of its proper divisors (13079301454).

26158602902 is a wasteful number, since it uses less digits than its factorization.

26158602902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13079301453.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 26158602902 in words is "twenty-six billion, one hundred fifty-eight million, six hundred two thousand, nine hundred two".