541521046520155 has 8 divisors (see below), whose sum is σ = 699811813964592. Its totient is φ = 399892465122528.

The previous prime is 541521046520143. The next prime is 541521046520161. The reversal of 541521046520155 is 551025640125145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 541521046520155 - 2²⁷ = 541520912302427 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4165546511629 + ... + 4165546511758.

It is an arithmetic number, because the mean of its divisors is an integer number (87476476745574).

Almost surely, 2^{541521046520155} is an apocalyptic number.

541521046520155 is a deficient number, since it is larger than the sum of its proper divisors (158290767444437).

541521046520155 is a wasteful number, since it uses less digits than its factorization.

541521046520155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8331093023405.

The product of its (nonzero) digits is 1200000, while the sum is 46.

The spelling of 541521046520155 in words is "five hundred forty-one trillion, five hundred twenty-one billion, forty-six million, five hundred twenty thousand, one hundred fifty-five".