10421311115 has 4 divisors (see below), whose sum is σ = 12505573344. Its totient is φ = 8337048888.

The previous prime is 10421311073. The next prime is 10421311127. The reversal of 10421311115 is 51111312401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10421311115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042131107 + ... + 1042131116.

It is an arithmetic number, because the mean of its divisors is an integer number (3126393336).

Almost surely, 2^10421311115 is an apocalyptic number.

10421311115 is a deficient number, since it is larger than the sum of its proper divisors (2084262229).

10421311115 is an equidigital number, since it uses as much as digits as its factorization.

10421311115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084262228.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 10421311115 its reverse (51111312401), we get a palindrome (61532623516).

The spelling of 10421311115 in words is "ten billion, four hundred twenty-one million, three hundred eleven thousand, one hundred fifteen".