26300455551 has 12 divisors (see below), whose sum is σ = 39016291912. Its totient is φ = 17059754736.

The previous prime is 26300455537. The next prime is 26300455589. The reversal of 26300455551 is 15555400362.

26300455551 is a `hidden beast` number, since 2 + 63 + 0 + 0 + 45 + 5 + 551 = 666.

It is not a de Polignac number, because 26300455551 - 2²¹ = 26298358399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26300455151) 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, 39489841 + ... + 39490506.

Almost surely, 2^26300455551 is an apocalyptic number.

26300455551 is a deficient number, since it is larger than the sum of its proper divisors (12715836361).

26300455551 is a wasteful number, since it uses less digits than its factorization.

26300455551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78980390 (or 78980387 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 26300455551 in words is "twenty-six billion, three hundred million, four hundred fifty-five thousand, five hundred fifty-one".