10426891017555 has 24 divisors (see below), whose sum is σ = 18091405502352. Its totient is φ = 5555430777024.

The previous prime is 10426891017533. The next prime is 10426891017563. The reversal of 10426891017555 is 55571019862401.

10426891017555 is a `hidden beast` number, since 1 + 0 + 4 + 2 + 6 + 89 + 1 + 0 + 1 + 7 + 555 = 666.

It is not a de Polignac number, because 10426891017555 - 2⁹ = 10426891017043 is a prime.

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, 116158089 + ... + 116247818.

It is an arithmetic number, because the mean of its divisors is an integer number (753808562598).

Almost surely, 2^{10426891017555} is an apocalyptic number.

10426891017555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10426891017555 is a deficient number, since it is larger than the sum of its proper divisors (7664514484797).

10426891017555 is a wasteful number, since it uses less digits than its factorization.

10426891017555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232406915 (or 232406912 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The spelling of 10426891017555 in words is "ten trillion, four hundred twenty-six billion, eight hundred ninety-one million, seventeen thousand, five hundred fifty-five".