63051523121 has 4 divisors (see below), whose sum is σ = 63371581812. Its totient is φ = 62731464432.

The previous prime is 63051523063. The next prime is 63051523127. The reversal of 63051523121 is 12132515036.

63051523121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35555250721 + 27496272400 = 188561^2 + 165820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63051523121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63051523127) 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, 160029050 + ... + 160029443.

It is an arithmetic number, because the mean of its divisors is an integer number (15842895453).

Almost surely, 2^63051523121 is an apocalyptic number.

It is an amenable number.

63051523121 is a deficient number, since it is larger than the sum of its proper divisors (320058691).

63051523121 is a wasteful number, since it uses less digits than its factorization.

63051523121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320058690.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 63051523121 in words is "sixty-three billion, fifty-one million, five hundred twenty-three thousand, one hundred twenty-one".