1421878518010 has 16 divisors (see below), whose sum is σ = 2559401460000. Its totient is φ = 568746934416.

The previous prime is 1421878517953. The next prime is 1421878518017. The reversal of 1421878518010 is 108158781241.

It is not an unprimeable number, because it can be changed into a prime (1421878518017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 977041 + ... + 1948939.

It is an arithmetic number, because the mean of its divisors is an integer number (159962591250).

Almost surely, 2^{1421878518010} is an apocalyptic number.

1421878518010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421878518010 is a deficient number, since it is larger than the sum of its proper divisors (1137522941990).

1421878518010 is a wasteful number, since it uses less digits than its factorization.

1421878518010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118205.

The product of its (nonzero) digits is 143360, while the sum is 46.

The spelling of 1421878518010 in words is "one trillion, four hundred twenty-one billion, eight hundred seventy-eight million, five hundred eighteen thousand, ten".