1421193080776 has 48 divisors (see below), whose sum is σ = 3234569898240. Its totient is φ = 582600886560.

The previous prime is 1421193080761. The next prime is 1421193080777. The reversal of 1421193080776 is 6770803911241.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (1421193080777) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 78806040 + ... + 78824071.

It is an arithmetic number, because the mean of its divisors is an integer number (67386872880).

Almost surely, 2^{1421193080776} is an apocalyptic number.

It is an amenable number.

1421193080776 is an abundant number, since it is smaller than the sum of its proper divisors (1813376817464).

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

1421193080776 is a wasteful number, since it uses less digits than its factorization.

1421193080776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157630154 (or 157630143 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 1421193080776 in words is "one trillion, four hundred twenty-one billion, one hundred ninety-three million, eighty thousand, seven hundred seventy-six".