541420455454541 has 4 divisors (see below), whose sum is σ = 583068182797212. Its totient is φ = 499772728111872.

The previous prime is 541420455454519. The next prime is 541420455454553. The reversal of 541420455454541 is 145454554024145.

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 179757811649641 + 361662643804900 = 13407379^2 + 19017430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541420455454541 is a prime.

It is a super-2 number, since 2×541420455454541² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541420455454591) 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, 20823863671316 + ... + 20823863671341.

It is an arithmetic number, because the mean of its divisors is an integer number (145767045699303).

Almost surely, 2^{541420455454541} is an apocalyptic number.

It is an amenable number.

541420455454541 is a deficient number, since it is larger than the sum of its proper divisors (41647727342671).

541420455454541 is a wasteful number, since it uses less digits than its factorization.

541420455454541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41647727342670.

The product of its (nonzero) digits is 25600000, while the sum is 53.

The spelling of 541420455454541 in words is "five hundred forty-one trillion, four hundred twenty billion, four hundred fifty-five million, four hundred fifty-four thousand, five hundred forty-one".