15990542711 has 16 divisors (see below), whose sum is σ = 19185804288. Its totient is φ = 13133128800.

The previous prime is 15990542699. The next prime is 15990542713. The reversal of 15990542711 is 11724509951.

It is not a de Polignac number, because 15990542711 - 2⁶ = 15990542647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15990542713) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1182875 + ... + 1196316.

It is an arithmetic number, because the mean of its divisors is an integer number (1199112768).

Almost surely, 2^15990542711 is an apocalyptic number.

15990542711 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15990542711 is a deficient number, since it is larger than the sum of its proper divisors (3195261577).

15990542711 is a wasteful number, since it uses less digits than its factorization.

15990542711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379262.

The product of its (nonzero) digits is 113400, while the sum is 44.

The spelling of 15990542711 in words is "fifteen billion, nine hundred ninety million, five hundred forty-two thousand, seven hundred eleven".