148718221520527 has 4 divisors (see below), whose sum is σ = 148734047668216. Its totient is φ = 148702395372840.

The previous prime is 148718221520503. The next prime is 148718221520621. The reversal of 148718221520527 is 725025122817841.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-148718221520527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (148718221523527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7913059749 + ... + 7913078542.

It is an arithmetic number, because the mean of its divisors is an integer number (37183511917054).

Almost surely, 2^{148718221520527} is an apocalyptic number.

148718221520527 is a deficient number, since it is larger than the sum of its proper divisors (15826147689).

148718221520527 is an equidigital number, since it uses as much as digits as its factorization.

148718221520527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826147688.

The product of its (nonzero) digits is 5017600, while the sum is 55.

The spelling of 148718221520527 in words is "one hundred forty-eight trillion, seven hundred eighteen billion, two hundred twenty-one million, five hundred twenty thousand, five hundred twenty-seven".