541850525978 has 4 divisors (see below), whose sum is σ = 812775788970. Its totient is φ = 270925262988.

The previous prime is 541850525977. The next prime is 541850525999. The reversal of 541850525978 is 879525058145.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 535242949609 + 6607576369 = 731603^2 + 81287^2 .

It is not an unprimeable number, because it can be changed into a prime (541850525977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135462631493 + ... + 135462631496.

Almost surely, 2^541850525978 is an apocalyptic number.

541850525978 is a deficient number, since it is larger than the sum of its proper divisors (270925262992).

541850525978 is a wasteful number, since it uses less digits than its factorization.

541850525978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270925262991.

The product of its (nonzero) digits is 20160000, while the sum is 59.

The spelling of 541850525978 in words is "five hundred forty-one billion, eight hundred fifty million, five hundred twenty-five thousand, nine hundred seventy-eight".