10140561043621 has 8 divisors (see below), whose sum is σ = 10144633616064. Its totient is φ = 10136489064000.

The previous prime is 10140561043619. The next prime is 10140561043633. The reversal of 10140561043621 is 12634016504101.

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

It is a cyclic number.

It is not a de Polignac number, because 10140561043621 - 2¹ = 10140561043619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140561043021) 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, 35805256 + ... + 36087358.

It is an arithmetic number, because the mean of its divisors is an integer number (1268079202008).

Almost surely, 2^{10140561043621} is an apocalyptic number.

It is an amenable number.

10140561043621 is a deficient number, since it is larger than the sum of its proper divisors (4072572443).

10140561043621 is a wasteful number, since it uses less digits than its factorization.

10140561043621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296411.

The product of its (nonzero) digits is 17280, while the sum is 34.

Adding to 10140561043621 its reverse (12634016504101), we get a palindrome (22774577547722).

The spelling of 10140561043621 in words is "ten trillion, one hundred forty billion, five hundred sixty-one million, forty-three thousand, six hundred twenty-one".