541115131521 has 32 divisors (see below), whose sum is σ = 736143606016. Its totient is φ = 353463264000.

The previous prime is 541115131489. The next prime is 541115131553. The reversal of 541115131521 is 125131511145.

It is an interprime number because it is at equal distance from previous prime (541115131489) and next prime (541115131553).

It is not a de Polignac number, because 541115131521 - 2⁵ = 541115131489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541115131591) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56005431 + ... + 56015091.

It is an arithmetic number, because the mean of its divisors is an integer number (23004487688).

Almost surely, 2^541115131521 is an apocalyptic number.

It is an amenable number.

541115131521 is a deficient number, since it is larger than the sum of its proper divisors (195028474495).

541115131521 is a wasteful number, since it uses less digits than its factorization.

541115131521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10873.

The product of its digits is 3000, while the sum is 30.

Adding to 541115131521 its reverse (125131511145), we get a palindrome (666246642666).

The spelling of 541115131521 in words is "five hundred forty-one billion, one hundred fifteen million, one hundred thirty-one thousand, five hundred twenty-one".