1504112523420 has 384 divisors, whose sum is σ = 4964407418880. Its totient is φ = 336731996160.

The previous prime is 1504112523401. The next prime is 1504112523443. The reversal of 1504112523420 is 243252114051.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 332545279 + ... + 332549801.

It is an arithmetic number, because the mean of its divisors is an integer number (12928144320).

Almost surely, 2^{1504112523420} is an apocalyptic number.

1504112523420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1504112523420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2482203709440).

1504112523420 is an abundant number, since it is smaller than the sum of its proper divisors (3460294895460).

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

1504112523420 is a wasteful number, since it uses less digits than its factorization.

1504112523420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5405 (or 5403 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1504112523420 its reverse (243252114051), we get a palindrome (1747364637471).

The spelling of 1504112523420 in words is "one trillion, five hundred four billion, one hundred twelve million, five hundred twenty-three thousand, four hundred twenty".