15434331122420 has 24 divisors (see below), whose sum is σ = 37042394694144. Its totient is φ = 5291770670496.

The previous prime is 15434331122383. The next prime is 15434331122423. The reversal of 15434331122420 is 2422113343451.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15434331122423) 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 7 ways as a sum of consecutive naturals, for example, 55122611012 + ... + 55122611291.

It is an arithmetic number, because the mean of its divisors is an integer number (1543433112256).

Almost surely, 2^{15434331122420} is an apocalyptic number.

15434331122420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15434331122420 is an abundant number, since it is smaller than the sum of its proper divisors (21608063571724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15434331122420 is a wasteful number, since it uses less digits than its factorization.

15434331122420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110245222319 (or 110245222317 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 15434331122420 its reverse (2422113343451), we get a palindrome (17856444465871).

The spelling of 15434331122420 in words is "fifteen trillion, four hundred thirty-four billion, three hundred thirty-one million, one hundred twenty-two thousand, four hundred twenty".