10091911010 has 16 divisors (see below), whose sum is σ = 18169515000. Its totient is φ = 4035858816.

The previous prime is 10091911007. The next prime is 10091911013. The reversal of 10091911010 is 1011919001.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10091911007) and next prime (10091911013).

It can be written as a sum of positive squares in 4 ways, for example, as 9238862161 + 853048849 = 96119^2 + 29207^2 .

It is not an unprimeable number, because it can be changed into a prime (10091911013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65435 + ... + 156414.

Almost surely, 2^10091911010 is an apocalyptic number.

10091911010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10091911010 is a deficient number, since it is larger than the sum of its proper divisors (8077603990).

10091911010 is a wasteful number, since it uses less digits than its factorization.

10091911010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226405.

The product of its (nonzero) digits is 81, while the sum is 23.

The spelling of 10091911010 in words is "ten billion, ninety-one million, nine hundred eleven thousand, ten".