26898325545 has 128 divisors (see below), whose sum is σ = 55441096704. Its totient is φ = 10823814144.

The previous prime is 26898325537. The next prime is 26898325579. The reversal of 26898325545 is 54552389862.

It is not a de Polignac number, because 26898325545 - 2³ = 26898325537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12023167 + ... + 12025403.

It is an arithmetic number, because the mean of its divisors is an integer number (433133568).

Almost surely, 2^26898325545 is an apocalyptic number.

It is an amenable number.

26898325545 is an abundant number, since it is smaller than the sum of its proper divisors (28542771159).

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

26898325545 is a wasteful number, since it uses less digits than its factorization.

26898325545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671.

The product of its digits is 20736000, while the sum is 57.

It can be divided in two parts, 268983 and 25545, that added together give a triangular number (294528 = T₇₆₇).

The spelling of 26898325545 in words is "twenty-six billion, eight hundred ninety-eight million, three hundred twenty-five thousand, five hundred forty-five".