1420151022556 has 12 divisors (see below), whose sum is σ = 2840302045168. Its totient is φ = 608636152512.

The previous prime is 1420151022523. The next prime is 1420151022583. The reversal of 1420151022556 is 6552201510241.

1420151022556 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25359839661 + ... + 25359839716.

Almost surely, 2^{1420151022556} is an apocalyptic number.

It is an amenable number.

1420151022556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1420151022556 is a wasteful number, since it uses less digits than its factorization.

1420151022556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50719679388 (or 50719679386 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1420151022556 its reverse (6552201510241), we get a palindrome (7972352532797).

The spelling of 1420151022556 in words is "one trillion, four hundred twenty billion, one hundred fifty-one million, twenty-two thousand, five hundred fifty-six".