26120005040100 has 72 divisors (see below), whose sum is σ = 75874972628448. Its totient is φ = 6937584320000.

The previous prime is 26120005040099. The next prime is 26120005040137. The reversal of 26120005040100 is 104050002162.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173364309 + ... + 173514908.

It is an arithmetic number, because the mean of its divisors is an integer number (1053819064284).

Almost surely, 2^{26120005040100} is an apocalyptic number.

26120005040100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26120005040100 is an abundant number, since it is smaller than the sum of its proper divisors (49754967588348).

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

26120005040100 is a wasteful number, since it uses less digits than its factorization.

26120005040100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346879485 (or 346879478 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 26120005040100 its reverse (104050002162), we get a palindrome (26224055042262).

The spelling of 26120005040100 in words is "twenty-six trillion, one hundred twenty billion, five million, forty thousand, one hundred".