26155304561064 has 128 divisors (see below), whose sum is σ = 78315466464000. Its totient is φ = 7270972611840.

The previous prime is 26155304561063. The next prime is 26155304561209. The reversal of 26155304561064 is 46016540355162.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (26155304561063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42631527 + ... + 43240694.

It is an arithmetic number, because the mean of its divisors is an integer number (611839581750).

Almost surely, 2^{26155304561064} is an apocalyptic number.

26155304561064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26155304561064 is an abundant number, since it is smaller than the sum of its proper divisors (52160161902936).

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

26155304561064 is a wasteful number, since it uses less digits than its factorization.

26155304561064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85872288 (or 85872270 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 26155304561064 in words is "twenty-six trillion, one hundred fifty-five billion, three hundred four million, five hundred sixty-one thousand, sixty-four".