26501276516 has 48 divisors (see below), whose sum is σ = 55378413888. Its totient is φ = 10937116800.

The previous prime is 26501276471. The next prime is 26501276519. The reversal of 26501276516 is 61567210562.

It is not an unprimeable number, because it can be changed into a prime (26501276519) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 344870 + ... + 414653.

It is an arithmetic number, because the mean of its divisors is an integer number (1153716956).

Almost surely, 2^26501276516 is an apocalyptic number.

26501276516 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26501276516 is an abundant number, since it is smaller than the sum of its proper divisors (28877137372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26501276516 is a wasteful number, since it uses less digits than its factorization.

26501276516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759612 (or 759610 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 26501276516 in words is "twenty-six billion, five hundred one million, two hundred seventy-six thousand, five hundred sixteen".