10143240636561 has 8 divisors (see below), whose sum is σ = 13528827465504. Its totient is φ = 6759907116000.

The previous prime is 10143240636553. The next prime is 10143240636671. The reversal of 10143240636561 is 16563604234101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10143240636561 - 2³ = 10143240636553 is a prime.

It is a super-3 number, since 3×10143240636561³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (10143240676561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 563316591 + ... + 563334596.

It is an arithmetic number, because the mean of its divisors is an integer number (1691103433188).

Almost surely, 2^{10143240636561} is an apocalyptic number.

It is an amenable number.

10143240636561 is a deficient number, since it is larger than the sum of its proper divisors (3385586828943).

10143240636561 is a wasteful number, since it uses less digits than its factorization.

10143240636561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126654191.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 10143240636561 in words is "ten trillion, one hundred forty-three billion, two hundred forty million, six hundred thirty-six thousand, five hundred sixty-one".