113420845551 has 8 divisors (see below), whose sum is σ = 162860701360. Its totient is φ = 69797443392.

The previous prime is 113420845541. The next prime is 113420845579. The reversal of 113420845551 is 155548024311.

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

It is not a de Polignac number, because 113420845551 - 2⁵ = 113420845519 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 2908226809 = 113420845551 / (1 + 1 + 3 + 4 + 2 + 0 + 8 + 4 + 5 + 5 + 5 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113420845501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454113366 + ... + 1454113443.

It is an arithmetic number, because the mean of its divisors is an integer number (20357587670).

Almost surely, 2^113420845551 is an apocalyptic number.

113420845551 is a deficient number, since it is larger than the sum of its proper divisors (49439855809).

113420845551 is a wasteful number, since it uses less digits than its factorization.

113420845551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908226825.

The product of its (nonzero) digits is 96000, while the sum is 39.

Adding to 113420845551 its reverse (155548024311), we get a palindrome (268968869862).

The spelling of 113420845551 in words is "one hundred thirteen billion, four hundred twenty million, eight hundred forty-five thousand, five hundred fifty-one".