113541045242551 has 4 divisors (see below), whose sum is σ = 113543123623504. Its totient is φ = 113538966861600.

The previous prime is 113541045242533. The next prime is 113541045242563. The reversal of 113541045242551 is 155242540145311.

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

It is a cyclic number.

It is not a de Polignac number, because 113541045242551 - 2¹⁷ = 113541045111479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113541045242498 and 113541045242507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113541045240551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1039108530 + ... + 1039217791.

It is an arithmetic number, because the mean of its divisors is an integer number (28385780905876).

Almost surely, 2^{113541045242551} is an apocalyptic number.

113541045242551 is a deficient number, since it is larger than the sum of its proper divisors (2078380953).

113541045242551 is an equidigital number, since it uses as much as digits as its factorization.

113541045242551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078380952.

The product of its (nonzero) digits is 480000, while the sum is 43.

Adding to 113541045242551 its reverse (155242540145311), we get a palindrome (268783585387862).

The spelling of 113541045242551 in words is "one hundred thirteen trillion, five hundred forty-one billion, forty-five million, two hundred forty-two thousand, five hundred fifty-one".