113553013552421 has 4 divisors (see below), whose sum is σ = 113651498387532. Its totient is φ = 113454528717312.

The previous prime is 113553013552373. The next prime is 113553013552427. The reversal of 113553013552421 is 124255310355311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 74027336119396 + 39525677433025 = 8603914^2 + 6286945^2 .

It is a cyclic number.

It is not a de Polignac number, because 113553013552421 - 2¹⁴ = 113553013536037 is a prime.

It is a super-2 number, since 2×113553013552421² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113553013552427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49242415826 + ... + 49242418131.

It is an arithmetic number, because the mean of its divisors is an integer number (28412874596883).

Almost surely, 2^{113553013552421} is an apocalyptic number.

It is an amenable number.

113553013552421 is a deficient number, since it is larger than the sum of its proper divisors (98484835111).

113553013552421 is an equidigital number, since it uses as much as digits as its factorization.

113553013552421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98484835110.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 113553013552421 in words is "one hundred thirteen trillion, five hundred fifty-three billion, thirteen million, five hundred fifty-two thousand, four hundred twenty-one".