10891299210 has 32 divisors (see below), whose sum is σ = 28515402432. Its totient is φ = 2640314880.

The previous prime is 10891299197. The next prime is 10891299239. The reversal of 10891299210 is 1299219801.

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, 16501639 + ... + 16502298.

It is an arithmetic number, because the mean of its divisors is an integer number (891106326).

Almost surely, 2^10891299210 is an apocalyptic number.

10891299210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10891299210 is an abundant number, since it is smaller than the sum of its proper divisors (17624103222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10891299210 is a wasteful number, since it uses less digits than its factorization.

10891299210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33003958.

The product of its (nonzero) digits is 23328, while the sum is 42.

The spelling of 10891299210 in words is "ten billion, eight hundred ninety-one million, two hundred ninety-nine thousand, two hundred ten".