131511241231541 has 16 divisors (see below), whose sum is σ = 132127043548608. Its totient is φ = 130896870422400.

The previous prime is 131511241231523. The next prime is 131511241231567. The reversal of 131511241231541 is 145132142115131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131511241231541 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 (131511241231501) 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, 1387041026 + ... + 1387135836.

It is an arithmetic number, because the mean of its divisors is an integer number (8257940221788).

Almost surely, 2^{131511241231541} is an apocalyptic number.

It is an amenable number.

131511241231541 is a deficient number, since it is larger than the sum of its proper divisors (615802317067).

131511241231541 is an equidigital number, since it uses as much as digits as its factorization.

131511241231541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102292.

The product of its digits is 14400, while the sum is 35.

Adding to 131511241231541 its reverse (145132142115131), we get a palindrome (276643383346672).

The spelling of 131511241231541 in words is "one hundred thirty-one trillion, five hundred eleven billion, two hundred forty-one million, two hundred thirty-one thousand, five hundred forty-one".