1521440201141 has 16 divisors (see below), whose sum is σ = 1746243840000. Its totient is φ = 1298512239408.

The previous prime is 1521440201129. The next prime is 1521440201213. The reversal of 1521440201141 is 1411020441251.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1521440201141 - 2⁶ = 1521440201077 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 1521440201141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521440201741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1037336 + ... + 2029518.

It is an arithmetic number, because the mean of its divisors is an integer number (109140240000).

Almost surely, 2^{1521440201141} is an apocalyptic number.

It is an amenable number.

1521440201141 is a deficient number, since it is larger than the sum of its proper divisors (224803638859).

1521440201141 is an equidigital number, since it uses as much as digits as its factorization.

1521440201141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993128.

The product of its (nonzero) digits is 1280, while the sum is 26.

Adding to 1521440201141 its reverse (1411020441251), we get a palindrome (2932460642392).

The spelling of 1521440201141 in words is "one trillion, five hundred twenty-one billion, four hundred forty million, two hundred one thousand, one hundred forty-one".