15511200068 has 48 divisors (see below), whose sum is σ = 33601989120. Its totient is φ = 6100804224.

The previous prime is 15511200049. The next prime is 15511200079. The reversal of 15511200068 is 86000211551.

It is a self number, because there is not a number n which added to its sum of digits gives 15511200068.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60188 + ... + 186131.

It is an arithmetic number, because the mean of its divisors is an integer number (700041440).

Almost surely, 2^15511200068 is an apocalyptic number.

It is an amenable number.

15511200068 is an abundant number, since it is smaller than the sum of its proper divisors (18090789052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15511200068 is a wasteful number, since it uses less digits than its factorization.

15511200068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246516 (or 246514 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 29.

The spelling of 15511200068 in words is "fifteen billion, five hundred eleven million, two hundred thousand, sixty-eight".