10491430120 has 16 divisors (see below), whose sum is σ = 23605717860. Its totient is φ = 4196572032.

The previous prime is 10491430097. The next prime is 10491430129. The reversal of 10491430120 is 2103419401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10454244516 + 37185604 = 102246^2 + 6098^2 .

It is a super-3 number, since 3×10491430120³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10491430129) 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, 131142837 + ... + 131142916.

Almost surely, 2^10491430120 is an apocalyptic number.

10491430120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10491430120 is an abundant number, since it is smaller than the sum of its proper divisors (13114287740).

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

10491430120 is a wasteful number, since it uses less digits than its factorization.

10491430120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262285764 (or 262285760 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 10491430120 its reverse (2103419401), we get a palindrome (12594849521).

The spelling of 10491430120 in words is "ten billion, four hundred ninety-one million, four hundred thirty thousand, one hundred twenty".