1500440440141 has 4 divisors (see below), whose sum is σ = 1507168872832. Its totient is φ = 1493712007452.

The previous prime is 1500440440129. The next prime is 1500440440157. The reversal of 1500440440141 is 1410440440051.

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 a cyclic number.

It is not a de Polignac number, because 1500440440141 - 2¹³ = 1500440431949 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 (1500440440441) 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, 3364216011 + ... + 3364216456.

It is an arithmetic number, because the mean of its divisors is an integer number (376792218208).

Almost surely, 2^{1500440440141} is an apocalyptic number.

It is an amenable number.

1500440440141 is a deficient number, since it is larger than the sum of its proper divisors (6728432691).

1500440440141 is an equidigital number, since it uses as much as digits as its factorization.

1500440440141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6728432690.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 1500440440141 its reverse (1410440440051), we get a palindrome (2910880880192).

The spelling of 1500440440141 in words is "one trillion, five hundred billion, four hundred forty million, four hundred forty thousand, one hundred forty-one".