26112555511 has 16 divisors (see below), whose sum is σ = 30013102080. Its totient is φ = 22254914880.

The previous prime is 26112555499. The next prime is 26112555527. The reversal of 26112555511 is 11555521162.

It is a cyclic number.

It is not a de Polignac number, because 26112555511 - 2⁵ = 26112555479 is a prime.

It is a super-2 number, since 2×26112555511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26112555211) 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, 875730 + ... + 905056.

It is an arithmetic number, because the mean of its divisors is an integer number (1875818880).

Almost surely, 2^26112555511 is an apocalyptic number.

26112555511 is a deficient number, since it is larger than the sum of its proper divisors (3900546569).

26112555511 is a wasteful number, since it uses less digits than its factorization.

26112555511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30054.

The product of its digits is 15000, while the sum is 34.

The spelling of 26112555511 in words is "twenty-six billion, one hundred twelve million, five hundred fifty-five thousand, five hundred eleven".