1156331241344 has 128 divisors (see below), whose sum is σ = 2381077188000. Its totient is φ = 558941036544.

The previous prime is 1156331241337. The next prime is 1156331241353. The reversal of 1156331241344 is 4431421336511.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 1156331241298 and 1156331241307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 550895207 + ... + 550897305.

Almost surely, 2^{1156331241344} 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 1156331241344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1190538594000).

1156331241344 is an abundant number, since it is smaller than the sum of its proper divisors (1224745946656).

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

1156331241344 is a wasteful number, since it uses less digits than its factorization.

1156331241344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2840 (or 2828 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

Adding to 1156331241344 its reverse (4431421336511), we get a palindrome (5587752577855).

The spelling of 1156331241344 in words is "one trillion, one hundred fifty-six billion, three hundred thirty-one million, two hundred forty-one thousand, three hundred forty-four".