11514431617540 has 12 divisors (see below), whose sum is σ = 24180306396876. Its totient is φ = 4605772647008.

The previous prime is 11514431617537. The next prime is 11514431617561. The reversal of 11514431617540 is 4571613441511.

It can be written as a sum of positive squares in 2 ways, for example, as 3167139885316 + 8347291732224 = 1779646^2 + 2889168^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287860790419 + ... + 287860790458.

It is an arithmetic number, because the mean of its divisors is an integer number (2015025533073).

Almost surely, 2^{11514431617540} is an apocalyptic number.

11514431617540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11514431617540 is an abundant number, since it is smaller than the sum of its proper divisors (12665874779336).

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

11514431617540 is a wasteful number, since it uses less digits than its factorization.

11514431617540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575721580886 (or 575721580884 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 11514431617540 in words is "eleven trillion, five hundred fourteen billion, four hundred thirty-one million, six hundred seventeen thousand, five hundred forty".