113151435241421 has 4 divisors (see below), whose sum is σ = 114840262633152. Its totient is φ = 111462607849692.

The previous prime is 113151435241399. The next prime is 113151435241457. The reversal of 113151435241421 is 124142534151311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113151435241421 - 2³⁸ = 112876557334477 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 (113151435241021) 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, 844413695765 + ... + 844413695898.

It is an arithmetic number, because the mean of its divisors is an integer number (28710065658288).

Almost surely, 2^{113151435241421} is an apocalyptic number.

It is an amenable number.

113151435241421 is a deficient number, since it is larger than the sum of its proper divisors (1688827391731).

113151435241421 is an equidigital number, since it uses as much as digits as its factorization.

113151435241421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688827391730.

The product of its digits is 57600, while the sum is 38.

Adding to 113151435241421 its reverse (124142534151311), we get a palindrome (237293969392732).

The spelling of 113151435241421 in words is "one hundred thirteen trillion, one hundred fifty-one billion, four hundred thirty-five million, two hundred forty-one thousand, four hundred twenty-one".