26011400503 has 16 divisors (see below), whose sum is σ = 28706054400. Its totient is φ = 23371951680.

The previous prime is 26011400497. The next prime is 26011400543. The reversal of 26011400503 is 30500411062.

It is not a de Polignac number, because 26011400503 - 2²⁵ = 25977846071 is a prime.

It is a super-2 number, since 2×26011400503² (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 (26011400543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4797328 + ... + 4802746.

It is an arithmetic number, because the mean of its divisors is an integer number (1794128400).

Almost surely, 2^26011400503 is an apocalyptic number.

26011400503 is a deficient number, since it is larger than the sum of its proper divisors (2694653897).

26011400503 is a wasteful number, since it uses less digits than its factorization.

26011400503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 26011400503 its reverse (30500411062), we get a palindrome (56511811565).

The spelling of 26011400503 in words is "twenty-six billion, eleven million, four hundred thousand, five hundred three".