1001501105505 has 16 divisors (see below), whose sum is σ = 1618921377024. Its totient is φ = 528627386880.

The previous prime is 1001501105447. The next prime is 1001501105509. The reversal of 1001501105505 is 5055011051001.

1001501105505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1001501105505 - 2⁷ = 1001501105377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001501105509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344157001 + ... + 344159910.

It is an arithmetic number, because the mean of its divisors is an integer number (101182586064).

Almost surely, 2^{1001501105505} is an apocalyptic number.

1001501105505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001501105505 is a deficient number, since it is larger than the sum of its proper divisors (617420271519).

1001501105505 is an equidigital number, since it uses as much as digits as its factorization.

1001501105505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688317016.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 1001501105505 its reverse (5055011051001), we get a palindrome (6056512156506).

The spelling of 1001501105505 in words is "one trillion, one billion, five hundred one million, one hundred five thousand, five hundred five".