10010055491 has 4 divisors (see below), whose sum is σ = 10010465352. Its totient is φ = 10009645632.

The previous prime is 10010055479. The next prime is 10010055499. The reversal of 10010055491 is 19455001001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10010055491 - 2¹⁴ = 10010039107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10010055491.

It is not an unprimeable number, because it can be changed into a prime (10010055499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165806 + ... + 217971.

It is an arithmetic number, because the mean of its divisors is an integer number (2502616338).

Almost surely, 2^10010055491 is an apocalyptic number.

10010055491 is a deficient number, since it is larger than the sum of its proper divisors (409861).

10010055491 is an equidigital number, since it uses as much as digits as its factorization.

10010055491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409860.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 10010055491 its reverse (19455001001), we get a palindrome (29465056492).

The spelling of 10010055491 in words is "ten billion, ten million, fifty-five thousand, four hundred ninety-one".