4531215107553 has 16 divisors (see below), whose sum is σ = 6046346573760. Its totient is φ = 3018447765504.

The previous prime is 4531215107509. The next prime is 4531215107579. The reversal of 4531215107553 is 3557015121354.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4531215107553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4531215107593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20304225 + ... + 20526177.

It is an arithmetic number, because the mean of its divisors is an integer number (377896660860).

Almost surely, 2^{4531215107553} is an apocalyptic number.

It is an amenable number.

4531215107553 is a deficient number, since it is larger than the sum of its proper divisors (1515131466207).

4531215107553 is a wasteful number, since it uses less digits than its factorization.

4531215107553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227248.

The product of its (nonzero) digits is 315000, while the sum is 42.

The spelling of 4531215107553 in words is "four trillion, five hundred thirty-one billion, two hundred fifteen million, one hundred seven thousand, five hundred fifty-three".