8051221454552 has 24 divisors (see below), whose sum is σ = 15890637705300. Its totient is φ = 3813719907744.

The previous prime is 8051221454543. The next prime is 8051221454587. The reversal of 8051221454552 is 2554541221508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34867574 + ... + 35097722.

Almost surely, 2^{8051221454552} is an apocalyptic number.

It is an amenable number.

8051221454552 is a deficient number, since it is larger than the sum of its proper divisors (7839416250748).

8051221454552 is an frugal number, since it uses more digits than its factorization.

8051221454552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460323 (or 230170 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 44.

The spelling of 8051221454552 in words is "eight trillion, fifty-one billion, two hundred twenty-one million, four hundred fifty-four thousand, five hundred fifty-two".