1013543203154 has 16 divisors (see below), whose sum is σ = 1573090836120. Its totient is φ = 489187399680.

The previous prime is 1013543203151. The next prime is 1013543203229. The reversal of 1013543203154 is 4513023453101.

It can be written as a sum of positive squares in 4 ways, for example, as 718471531129 + 295071672025 = 847627^2 + 543205^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1013543203154.

It is not an unprimeable number, because it can be changed into a prime (1013543203151) 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, 1689989 + ... + 2209784.

Almost surely, 2^{1013543203154} is an apocalyptic number.

1013543203154 is a deficient number, since it is larger than the sum of its proper divisors (559547632966).

1013543203154 is a wasteful number, since it uses less digits than its factorization.

1013543203154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904285.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 1013543203154 its reverse (4513023453101), we get a palindrome (5526566656255).

The spelling of 1013543203154 in words is "one trillion, thirteen billion, five hundred forty-three million, two hundred three thousand, one hundred fifty-four".