63165405011 has 4 divisors (see below), whose sum is σ = 65911726992. Its totient is φ = 60419083032.

The previous prime is 63165404957. The next prime is 63165405157. The reversal of 63165405011 is 11050456136.

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

It is a cyclic number.

It is not a de Polignac number, because 63165405011 - 2⁶ = 63165404947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63165405211) 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, 1373160956 + ... + 1373161001.

It is an arithmetic number, because the mean of its divisors is an integer number (16477931748).

Almost surely, 2^63165405011 is an apocalyptic number.

63165405011 is a deficient number, since it is larger than the sum of its proper divisors (2746321981).

63165405011 is a wasteful number, since it uses less digits than its factorization.

63165405011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2746321980.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 63165405011 in words is "sixty-three billion, one hundred sixty-five million, four hundred five thousand, eleven".