1013531411500 has 384 divisors, whose sum is σ = 2434765132800. Its totient is φ = 367341004800.

The previous prime is 1013531411437. The next prime is 1013531411569. The reversal of 1013531411500 is 51141353101.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 5144829402 + ... + 5144829598.

It is an arithmetic number, because the mean of its divisors is an integer number (6340534200).

Almost surely, 2^{1013531411500} is an apocalyptic number.

1013531411500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1013531411500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217382566400).

1013531411500 is an abundant number, since it is smaller than the sum of its proper divisors (1421233721300).

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

1013531411500 is a wasteful number, since it uses less digits than its factorization.

1013531411500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

Adding to 1013531411500 its reverse (51141353101), we get a palindrome (1064672764601).

The spelling of 1013531411500 in words is "one trillion, thirteen billion, five hundred thirty-one million, four hundred eleven thousand, five hundred".