1115643231460 has 24 divisors (see below), whose sum is σ = 2346505806456. Its totient is φ = 445561098240.

The previous prime is 1115643231431. The next prime is 1115643231539. The reversal of 1115643231460 is 641323465111.

It can be written as a sum of positive squares in 4 ways, for example, as 542379223296 + 573264008164 = 736464^2 + 757142^2 .

It is a super-3 number, since 3×1115643231460³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43499007 + ... + 43524646.

It is an arithmetic number, because the mean of its divisors is an integer number (97771075269).

Almost surely, 2^{1115643231460} is an apocalyptic number.

1115643231460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115643231460 is an abundant number, since it is smaller than the sum of its proper divisors (1230862574996).

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

1115643231460 is a wasteful number, since it uses less digits than its factorization.

1115643231460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87024303 (or 87024301 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 1115643231460 its reverse (641323465111), we get a palindrome (1756966696571).

The spelling of 1115643231460 in words is "one trillion, one hundred fifteen billion, six hundred forty-three million, two hundred thirty-one thousand, four hundred sixty".