10140043655541 has 4 divisors (see below), whose sum is σ = 13520058207392. Its totient is φ = 6760029103692.

The previous prime is 10140043655449. The next prime is 10140043655543. The reversal of 10140043655541 is 14555634004101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10140043655541 - 2²¹ = 10140041558389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10140043655541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10140043655543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690007275921 + ... + 1690007275926.

It is an arithmetic number, because the mean of its divisors is an integer number (3380014551848).

Almost surely, 2^{10140043655541} is an apocalyptic number.

It is an amenable number.

10140043655541 is a deficient number, since it is larger than the sum of its proper divisors (3380014551851).

10140043655541 is an equidigital number, since it uses as much as digits as its factorization.

10140043655541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3380014551850.

The product of its (nonzero) digits is 144000, while the sum is 39.

Adding to 10140043655541 its reverse (14555634004101), we get a palindrome (24695677659642).

The spelling of 10140043655541 in words is "ten trillion, one hundred forty billion, forty-three million, six hundred fifty-five thousand, five hundred forty-one".