1001150015505 has 16 divisors (see below), whose sum is σ = 1611667268160. Its totient is φ = 530670927168.

The previous prime is 1001150015479. The next prime is 1001150015533. The reversal of 1001150015505 is 5055100511001.

It is not a de Polignac number, because 1001150015505 - 2¹⁹ = 1001149491217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204731710 + ... + 204736599.

It is an arithmetic number, because the mean of its divisors is an integer number (100729204260).

Almost surely, 2^{1001150015505} is an apocalyptic number.

1001150015505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1001150015505 is a deficient number, since it is larger than the sum of its proper divisors (610517252655).

1001150015505 is a wasteful number, since it uses less digits than its factorization.

1001150015505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409468480.

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

Adding to 1001150015505 its reverse (5055100511001), we get a palindrome (6056250526506).

The spelling of 1001150015505 in words is "one trillion, one billion, one hundred fifty million, fifteen thousand, five hundred five".