10505555555507 has 8 divisors (see below), whose sum is σ = 10627354710000. Its totient is φ = 10384193741824.

The previous prime is 10505555555503. The next prime is 10505555555531. The reversal of 10505555555507 is 70555555550501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10505555555507 - 2² = 10505555555503 is a prime.

It is a super-2 number, since 2×10505555555507² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10505555555503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109286882 + ... + 109382967.

It is an arithmetic number, because the mean of its divisors is an integer number (1328419338750).

Almost surely, 2^{10505555555507} is an apocalyptic number.

10505555555507 is a deficient number, since it is larger than the sum of its proper divisors (121799154493).

10505555555507 is a wasteful number, since it uses less digits than its factorization.

10505555555507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218670405.

The product of its (nonzero) digits is 13671875, while the sum is 53.

The spelling of 10505555555507 in words is "ten trillion, five hundred five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred seven".