48180949521 has 4 divisors (see below), whose sum is σ = 64241266032. Its totient is φ = 32120633012.

The previous prime is 48180949489. The next prime is 48180949541. The reversal of 48180949521 is 12594908184.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48180949521 - 2⁵ = 48180949489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48180949541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8030158251 + ... + 8030158256.

It is an arithmetic number, because the mean of its divisors is an integer number (16060316508).

Almost surely, 2^48180949521 is an apocalyptic number.

It is an amenable number.

48180949521 is a deficient number, since it is larger than the sum of its proper divisors (16060316511).

48180949521 is a wasteful number, since it uses less digits than its factorization.

48180949521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060316510.

The product of its (nonzero) digits is 829440, while the sum is 51.

The spelling of 48180949521 in words is "forty-eight billion, one hundred eighty million, nine hundred forty-nine thousand, five hundred twenty-one".