10509951001 has 16 divisors (see below), whose sum is σ = 11547279360. Its totient is φ = 9486389520.

The previous prime is 10509950999. The next prime is 10509951031. The reversal of 10509951001 is 10015990501.

It is a cyclic number.

It is not a de Polignac number, because 10509951001 - 2¹ = 10509950999 is a prime.

It is a super-2 number, since 2×10509951001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10509951031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2290956 + ... + 2295538.

It is an arithmetic number, because the mean of its divisors is an integer number (721704960).

Almost surely, 2^10509951001 is an apocalyptic number.

10509951001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10509951001 is a deficient number, since it is larger than the sum of its proper divisors (1037328359).

10509951001 is a wasteful number, since it uses less digits than its factorization.

10509951001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036.

The product of its (nonzero) digits is 2025, while the sum is 31.

The spelling of 10509951001 in words is "ten billion, five hundred nine million, nine hundred fifty-one thousand, one".