26154102551 has 2 divisors, whose sum is σ = 26154102552. Its totient is φ = 26154102550.

The previous prime is 26154102503. The next prime is 26154102563. The reversal of 26154102551 is 15520145162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26154102551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26154102451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13077051275 + 13077051276.

It is an arithmetic number, because the mean of its divisors is an integer number (13077051276).

Almost surely, 2^26154102551 is an apocalyptic number.

26154102551 is a deficient number, since it is larger than the sum of its proper divisors (1).

26154102551 is an equidigital number, since it uses as much as digits as its factorization.

26154102551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 26154102551 in words is "twenty-six billion, one hundred fifty-four million, one hundred two thousand, five hundred fifty-one".