131121201425514 has 16 divisors (see below), whose sum is σ = 262246297442400. Its totient is φ = 43706418043280.

The previous prime is 131121201425483. The next prime is 131121201425531. The reversal of 131121201425514 is 415524102121131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161836872 + ... + 162645059.

It is an arithmetic number, because the mean of its divisors is an integer number (16390393590150).

Almost surely, 2^{131121201425514} is an apocalyptic number.

131121201425514 is an abundant number, since it is smaller than the sum of its proper divisors (131125096016886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131121201425514 is a wasteful number, since it uses less digits than its factorization.

131121201425514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324549285.

The product of its (nonzero) digits is 9600, while the sum is 33.

Adding to 131121201425514 its reverse (415524102121131), we get a palindrome (546645303546645).

The spelling of 131121201425514 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, two hundred one million, four hundred twenty-five thousand, five hundred fourteen".