1481533438191 has 8 divisors (see below), whose sum is σ = 1975996977024. Its totient is φ = 987379429080.

The previous prime is 1481533438183. The next prime is 1481533438201. The reversal of 1481533438191 is 1918343351841.

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

It is not a de Polignac number, because 1481533438191 - 2³ = 1481533438183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481533438171) 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, 77371261 + ... + 77390406.

It is an arithmetic number, because the mean of its divisors is an integer number (246999622128).

Almost surely, 2^{1481533438191} is an apocalyptic number.

1481533438191 is a deficient number, since it is larger than the sum of its proper divisors (494463538833).

1481533438191 is a wasteful number, since it uses less digits than its factorization.

1481533438191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154764861.

The product of its digits is 1244160, while the sum is 51.

The spelling of 1481533438191 in words is "one trillion, four hundred eighty-one billion, five hundred thirty-three million, four hundred thirty-eight thousand, one hundred ninety-one".