10260987191 has 16 divisors (see below), whose sum is σ = 12643244544. Its totient is φ = 8109366624.

The previous prime is 10260987167. The next prime is 10260987193. The reversal of 10260987191 is 19178906201.

It is a cyclic number.

It is not a de Polignac number, because 10260987191 - 2¹⁸ = 10260725047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10260987193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17156 + ... + 144278.

It is an arithmetic number, because the mean of its divisors is an integer number (790202784).

Almost surely, 2^10260987191 is an apocalyptic number.

10260987191 is a deficient number, since it is larger than the sum of its proper divisors (2382257353).

10260987191 is a wasteful number, since it uses less digits than its factorization.

10260987191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128030.

The product of its (nonzero) digits is 54432, while the sum is 44.

The spelling of 10260987191 in words is "ten billion, two hundred sixty million, nine hundred eighty-seven thousand, one hundred ninety-one".