5011771921 has 48 divisors (see below), whose sum is σ = 6033557376. Its totient is φ = 4123519488.

The previous prime is 5011771913. The next prime is 5011771979. The reversal of 5011771921 is 1291771105.

It is not a de Polignac number, because 5011771921 - 2³ = 5011771913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5011771901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19056036 + ... + 19056298.

It is an arithmetic number, because the mean of its divisors is an integer number (125699112).

Almost surely, 2^5011771921 is an apocalyptic number.

It is an amenable number.

5011771921 is a deficient number, since it is larger than the sum of its proper divisors (1021785455).

5011771921 is a wasteful number, since it uses less digits than its factorization.

5011771921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 34.

The square root of 5011771921 is about 70793.8692331476. The cubic root of 5011771921 is about 1711.3168749902.

The spelling of 5011771921 in words is "five billion, eleven million, seven hundred seventy-one thousand, nine hundred twenty-one".