1420551251152 has 80 divisors (see below), whose sum is σ = 3012150067200. Its totient is φ = 643637761920.

The previous prime is 1420551251149. The next prime is 1420551251191. The reversal of 1420551251152 is 2511521550241.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 185956549 + ... + 185964187.

It is an arithmetic number, because the mean of its divisors is an integer number (37651875840).

Almost surely, 2^{1420551251152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420551251152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1506075033600).

1420551251152 is an abundant number, since it is smaller than the sum of its proper divisors (1591598816048).

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

1420551251152 is a wasteful number, since it uses less digits than its factorization.

1420551251152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904 (or 10898 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 1420551251152 in words is "one trillion, four hundred twenty billion, five hundred fifty-one million, two hundred fifty-one thousand, one hundred fifty-two".