1081450504438 has 16 divisors (see below), whose sum is σ = 1707586122240. Its totient is φ = 512256220200.

The previous prime is 1081450504417. The next prime is 1081450504439. The reversal of 1081450504438 is 8344050541801.

It is a junction number, because it is equal to n+sod(n) for n = 1081450504394 and 1081450504403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081450504439) 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, 1980223 + ... + 2466613.

It is an arithmetic number, because the mean of its divisors is an integer number (106724132640).

Almost surely, 2^{1081450504438} is an apocalyptic number.

1081450504438 is a deficient number, since it is larger than the sum of its proper divisors (626135617802).

1081450504438 is a wasteful number, since it uses less digits than its factorization.

1081450504438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544923.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 1081450504438 in words is "one trillion, eighty-one billion, four hundred fifty million, five hundred four thousand, four hundred thirty-eight".