10113551 has 6 divisors (see below), whose sum is σ = 11764800. Its totient is φ = 8668716.

The previous prime is 10113541. The next prime is 10113553. The reversal of 10113551 is 15531101.

10113551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-10113551 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 103151 + ... + 103248.

It is an arithmetic number, because the mean of its divisors is an integer number (1960800).

Almost surely, 2^10113551 is an apocalyptic number.

10113551 is a deficient number, since it is larger than the sum of its proper divisors (1651249).

10113551 is an equidigital number, since it uses as much as digits as its factorization.

10113551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206413 (or 206406 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 10113551 is about 3180.1809696934. The cubic root of 10113551 is about 216.2558624938.

Adding to 10113551 its reverse (15531101), we get a palindrome (25644652).

The spelling of 10113551 in words is "ten million, one hundred thirteen thousand, five hundred fifty-one".