1501401400141 has 4 divisors (see below), whose sum is σ = 1501431019452. Its totient is φ = 1501371780832.

The previous prime is 1501401400139. The next prime is 1501401400153. The reversal of 1501401400141 is 1410041041051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 514218068100 + 987183332041 = 717090^2 + 993571^2 .

It is a cyclic number.

It is not a de Polignac number, because 1501401400141 - 2¹ = 1501401400139 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 (1501401400111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14733490 + ... + 14835043.

It is an arithmetic number, because the mean of its divisors is an integer number (375357754863).

Almost surely, 2^{1501401400141} is an apocalyptic number.

It is an amenable number.

1501401400141 is a deficient number, since it is larger than the sum of its proper divisors (29619311).

1501401400141 is an equidigital number, since it uses as much as digits as its factorization.

1501401400141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29619310.

The product of its (nonzero) digits is 320, while the sum is 22.

Adding to 1501401400141 its reverse (1410041041051), we get a palindrome (2911442441192).

The spelling of 1501401400141 in words is "one trillion, five hundred one billion, four hundred one million, four hundred thousand, one hundred forty-one".