1481189871345 has 32 divisors (see below), whose sum is σ = 2517884766720. Its totient is φ = 742113388800.

The previous prime is 1481189871323. The next prime is 1481189871347. The reversal of 1481189871345 is 5431789811841.

It is a happy number.

It is not a de Polignac number, because 1481189871345 - 2⁵ = 1481189871313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1481189871347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45997881 + ... + 46030070.

It is an arithmetic number, because the mean of its divisors is an integer number (78683898960).

Almost surely, 2^{1481189871345} is an apocalyptic number.

1481189871345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1481189871345 is a deficient number, since it is larger than the sum of its proper divisors (1036694895375).

1481189871345 is a wasteful number, since it uses less digits than its factorization.

1481189871345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92028025.

The product of its digits is 7741440, while the sum is 60.

The spelling of 1481189871345 in words is "one trillion, four hundred eighty-one billion, one hundred eighty-nine million, eight hundred seventy-one thousand, three hundred forty-five".