541521252545 has 64 divisors (see below), whose sum is σ = 853737615360. Its totient is φ = 320150880000.

The previous prime is 541521252541. The next prime is 541521252557. The reversal of 541521252545 is 545252125145.

It is not a de Polignac number, because 541521252545 - 2² = 541521252541 is a prime.

It is a super-3 number, since 3×541521252545³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (541521252541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172670 + ... + 1054920.

It is an arithmetic number, because the mean of its divisors is an integer number (13339650240).

Almost surely, 2^541521252545 is an apocalyptic number.

It is an amenable number.

541521252545 is a deficient number, since it is larger than the sum of its proper divisors (312216362815).

541521252545 is a wasteful number, since it uses less digits than its factorization.

541521252545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 882366.

The product of its digits is 400000, while the sum is 41.

The spelling of 541521252545 in words is "five hundred forty-one billion, five hundred twenty-one million, two hundred fifty-two thousand, five hundred forty-five".