26011400501 has 12 divisors (see below), whose sum is σ = 27460968192. Its totient is φ = 24634756584.

The previous prime is 26011400497. The next prime is 26011400543. The reversal of 26011400501 is 10500411062.

It is not a de Polignac number, because 26011400501 - 2² = 26011400497 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 (26011400551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1407020 + ... + 1425386.

It is an arithmetic number, because the mean of its divisors is an integer number (2288414016).

Almost surely, 2^26011400501 is an apocalyptic number.

It is an amenable number.

26011400501 is a deficient number, since it is larger than the sum of its proper divisors (1449567691).

26011400501 is a wasteful number, since it uses less digits than its factorization.

26011400501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22328 (or 22309 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 26011400501 its reverse (10500411062), we get a palindrome (36511811563).

The spelling of 26011400501 in words is "twenty-six billion, eleven million, four hundred thousand, five hundred one".