54011212015 has 4 divisors (see below), whose sum is σ = 64813454424. Its totient is φ = 43208969608.

The previous prime is 54011211979. The next prime is 54011212037. The reversal of 54011212015 is 51021211045.

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 54011212015 - 2²⁹ = 53474341103 is a prime.

It is a super-2 number, since 2×54011212015² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5401121197 + ... + 5401121206.

It is an arithmetic number, because the mean of its divisors is an integer number (16203363606).

Almost surely, 2^54011212015 is an apocalyptic number.

54011212015 is a deficient number, since it is larger than the sum of its proper divisors (10802242409).

54011212015 is a wasteful number, since it uses less digits than its factorization.

54011212015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10802242408.

The product of its (nonzero) digits is 400, while the sum is 22.

The spelling of 54011212015 in words is "fifty-four billion, eleven million, two hundred twelve thousand, fifteen".