1421571286560 has 96 divisors (see below), whose sum is σ = 4497168574080. Its totient is φ = 377458669568.

The previous prime is 1421571286559. The next prime is 1421571286567. The reversal of 1421571286560 is 656821751241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1421571286567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6243540 + ... + 6467219.

It is an arithmetic number, because the mean of its divisors is an integer number (46845505980).

Almost surely, 2^{1421571286560} is an apocalyptic number.

1421571286560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1421571286560 is an abundant number, since it is smaller than the sum of its proper divisors (3075597287520).

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

1421571286560 is a wasteful number, since it uses less digits than its factorization.

1421571286560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12711010 (or 12711002 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 1421571286560 in words is "one trillion, four hundred twenty-one billion, five hundred seventy-one million, two hundred eighty-six thousand, five hundred sixty".