113541001520405 has 4 divisors (see below), whose sum is σ = 136249201824492. Its totient is φ = 90832801216320.

The previous prime is 113541001520291. The next prime is 113541001520411. The reversal of 113541001520405 is 504025100145311.

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 71149781711089 + 42391219809316 = 8435033^2 + 6510854^2 .

It is not a de Polignac number, because 113541001520405 - 2¹⁶ = 113541001454869 is a prime.

It is a super-2 number, since 2×113541001520405² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 11354100152036 + ... + 11354100152045.

It is an arithmetic number, because the mean of its divisors is an integer number (34062300456123).

Almost surely, 2^{113541001520405} is an apocalyptic number.

It is an amenable number.

113541001520405 is a deficient number, since it is larger than the sum of its proper divisors (22708200304087).

113541001520405 is an equidigital number, since it uses as much as digits as its factorization.

113541001520405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22708200304086.

The product of its (nonzero) digits is 12000, while the sum is 32.

Adding to 113541001520405 its reverse (504025100145311), we get a palindrome (617566101665716).

The spelling of 113541001520405 in words is "one hundred thirteen trillion, five hundred forty-one billion, one million, five hundred twenty thousand, four hundred five".