1004144561534 has 16 divisors (see below), whose sum is σ = 1511502137520. Its totient is φ = 500312816640.

The previous prime is 1004144561527. The next prime is 1004144561593. The reversal of 1004144561534 is 4351654414001.

It is a super-2 number, since 2×1004144561534² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299504 + ... + 1448444.

It is an arithmetic number, because the mean of its divisors is an integer number (94468883595).

Almost surely, 2^{1004144561534} is an apocalyptic number.

1004144561534 is a deficient number, since it is larger than the sum of its proper divisors (507357575986).

1004144561534 is a wasteful number, since it uses less digits than its factorization.

1004144561534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150475.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 1004144561534 its reverse (4351654414001), we get a palindrome (5355798975535).

The spelling of 1004144561534 in words is "one trillion, four billion, one hundred forty-four million, five hundred sixty-one thousand, five hundred thirty-four".