541136737541 has 4 divisors (see below), whose sum is σ = 546715466892. Its totient is φ = 535558008192.

The previous prime is 541136737517. The next prime is 541136737573. The reversal of 541136737541 is 145737631145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145737631145 = 5 ⋅29147526229.

It can be written as a sum of positive squares in 2 ways, for example, as 272201149441 + 268935588100 = 521729^2 + 518590^2 .

It is a cyclic number.

It is not a de Polignac number, because 541136737541 - 2²⁶ = 541069628677 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 (541136737501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789364530 + ... + 2789364723.

It is an arithmetic number, because the mean of its divisors is an integer number (136678866723).

Almost surely, 2^541136737541 is an apocalyptic number.

It is an amenable number.

541136737541 is a deficient number, since it is larger than the sum of its proper divisors (5578729351).

541136737541 is an equidigital number, since it uses as much as digits as its factorization.

541136737541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5578729350.

The product of its digits is 1058400, while the sum is 47.

The spelling of 541136737541 in words is "five hundred forty-one billion, one hundred thirty-six million, seven hundred thirty-seven thousand, five hundred forty-one".