4540532236121 has 8 divisors (see below), whose sum is σ = 5192751065664. Its totient is φ = 3889206248400.

The previous prime is 4540532236099. The next prime is 4540532236139. The reversal of 4540532236121 is 1216322350454.

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 4540532236121 - 2¹⁰ = 4540532235097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4540532236171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223199555 + ... + 223219896.

It is an arithmetic number, because the mean of its divisors is an integer number (649093883208).

Almost surely, 2^{4540532236121} is an apocalyptic number.

It is an amenable number.

4540532236121 is a deficient number, since it is larger than the sum of its proper divisors (652218829543).

4540532236121 is a wasteful number, since it uses less digits than its factorization.

4540532236121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446420911.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 4540532236121 its reverse (1216322350454), we get a palindrome (5756854586575).

The spelling of 4540532236121 in words is "four trillion, five hundred forty billion, five hundred thirty-two million, two hundred thirty-six thousand, one hundred twenty-one".