1156041563404 has 96 divisors (see below), whose sum is σ = 2504688076800. Its totient is φ = 454633558272.

The previous prime is 1156041563393. The next prime is 1156041563407. The reversal of 1156041563404 is 4043651406511.

It is not an unprimeable number, because it can be changed into a prime (1156041563407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42333747 + ... + 42361045.

It is an arithmetic number, because the mean of its divisors is an integer number (26090500800).

Almost surely, 2^{1156041563404} is an apocalyptic number.

1156041563404 is a gapful number since it is divisible by the number (14) 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 1156041563404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1252344038400).

1156041563404 is an abundant number, since it is smaller than the sum of its proper divisors (1348646513396).

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

1156041563404 is a wasteful number, since it uses less digits than its factorization.

1156041563404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28007 (or 28005 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 1156041563404 its reverse (4043651406511), we get a palindrome (5199692969915).

The spelling of 1156041563404 in words is "one trillion, one hundred fifty-six billion, forty-one million, five hundred sixty-three thousand, four hundred four".