26061951559 has 32 divisors (see below), whose sum is σ = 32001228800. Its totient is φ = 20729610720.

The previous prime is 26061951547. The next prime is 26061951563. The reversal of 26061951559 is 95515916062.

It is not a de Polignac number, because 26061951559 - 2¹³ = 26061943367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26061951859) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1324624 + ... + 1344154.

It is an arithmetic number, because the mean of its divisors is an integer number (1000038400).

Almost surely, 2^26061951559 is an apocalyptic number.

26061951559 is a deficient number, since it is larger than the sum of its proper divisors (5939277241).

26061951559 is a wasteful number, since it uses less digits than its factorization.

26061951559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19763.

The product of its (nonzero) digits is 729000, while the sum is 49.

The spelling of 26061951559 in words is "twenty-six billion, sixty-one million, nine hundred fifty-one thousand, five hundred fifty-nine".