1545503540004 has 96 divisors (see below), whose sum is σ = 4027345280000. Its totient is φ = 512537061888.

The previous prime is 1545503539999. The next prime is 1545503540069. The reversal of 1545503540004 is 4000453055451.

1545503540004 is a `hidden beast` number, since 1 + 54 + 550 + 3 + 54 + 0 + 0 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40176972 + ... + 40215420.

Almost surely, 2^{1545503540004} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1545503540004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2013672640000).

1545503540004 is an abundant number, since it is smaller than the sum of its proper divisors (2481841739996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1545503540004 is a wasteful number, since it uses less digits than its factorization.

1545503540004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40354 (or 40346 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 1545503540004 its reverse (4000453055451), we get a palindrome (5545956595455).

The spelling of 1545503540004 in words is "one trillion, five hundred forty-five billion, five hundred three million, five hundred forty thousand, four".