26751291551 has 4 divisors (see below), whose sum is σ = 26809828752. Its totient is φ = 26692754352.

The previous prime is 26751291533. The next prime is 26751291569. The reversal of 26751291551 is 15519215762.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26751291533) and next prime (26751291569).

It is a cyclic number.

It is not a de Polignac number, because 26751291551 - 2¹⁴ = 26751275167 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 (26751291751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29267915 + ... + 29268828.

It is an arithmetic number, because the mean of its divisors is an integer number (6702457188).

Almost surely, 2^26751291551 is an apocalyptic number.

26751291551 is a deficient number, since it is larger than the sum of its proper divisors (58537201).

26751291551 is an equidigital number, since it uses as much as digits as its factorization.

26751291551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58537200.

The product of its digits is 189000, while the sum is 44.

The spelling of 26751291551 in words is "twenty-six billion, seven hundred fifty-one million, two hundred ninety-one thousand, five hundred fifty-one".