1540045544103 has 48 divisors (see below), whose sum is σ = 2704724006400. Its totient is φ = 832222736640.

The previous prime is 1540045544057. The next prime is 1540045544113. The reversal of 1540045544103 is 3014455400451.

1540045544103 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 0 + 4 + 5 + 544 + 103 = 666.

It is not a de Polignac number, because 1540045544103 - 2⁹ = 1540045543591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540045544113) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24048543 + ... + 24112496.

It is an arithmetic number, because the mean of its divisors is an integer number (56348416800).

Almost surely, 2^{1540045544103} is an apocalyptic number.

1540045544103 is a deficient number, since it is larger than the sum of its proper divisors (1164678462297).

1540045544103 is a wasteful number, since it uses less digits than its factorization.

1540045544103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48161092 (or 48161089 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 1540045544103 in words is "one trillion, five hundred forty billion, forty-five million, five hundred forty-four thousand, one hundred three".