113005551 has 8 divisors (see below), whose sum is σ = 150863104. Its totient is φ = 75242520.

The previous prime is 113005549. The next prime is 113005583. The reversal of 113005551 is 155500311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113005551 - 2¹ = 113005549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113005351) 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, 20791 + ... + 25656.

It is an arithmetic number, because the mean of its divisors is an integer number (18857888).

Almost surely, 2^113005551 is an apocalyptic number.

113005551 is a deficient number, since it is larger than the sum of its proper divisors (37857553).

113005551 is an equidigital number, since it uses as much as digits as its factorization.

113005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47261.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 113005551 is about 10630.4069066052. The cubic root of 113005551 is about 483.4667290413.

Adding to 113005551 its reverse (155500311), we get a palindrome (268505862).

The spelling of 113005551 in words is "one hundred thirteen million, five thousand, five hundred fifty-one".