1481053803781 has 8 divisors (see below), whose sum is σ = 1559024919200. Its totient is φ = 1403084779920.

The previous prime is 1481053803739. The next prime is 1481053803799. The reversal of 1481053803781 is 1873083501841.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1481053803781 - 2³⁷ = 1343614850309 is a prime.

It is a super-2 number, since 2×1481053803781² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481053804781) 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, 1052311 + ... + 2017291.

It is an arithmetic number, because the mean of its divisors is an integer number (194878114900).

Almost surely, 2^{1481053803781} is an apocalyptic number.

It is an amenable number.

1481053803781 is a deficient number, since it is larger than the sum of its proper divisors (77971115419).

1481053803781 is an equidigital number, since it uses as much as digits as its factorization.

1481053803781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045779.

The product of its (nonzero) digits is 645120, while the sum is 49.

The spelling of 1481053803781 in words is "one trillion, four hundred eighty-one billion, fifty-three million, eight hundred three thousand, seven hundred eighty-one".