15954822085 has 16 divisors (see below), whose sum is σ = 19315866240. Its totient is φ = 12650713920.

The previous prime is 15954822083. The next prime is 15954822097. The reversal of 15954822085 is 58022845951.

It is not a de Polignac number, because 15954822085 - 2¹ = 15954822083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15954822083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 528304 + ... + 557686.

It is an arithmetic number, because the mean of its divisors is an integer number (1207241640).

Almost surely, 2^15954822085 is an apocalyptic number.

It is an amenable number.

15954822085 is a deficient number, since it is larger than the sum of its proper divisors (3361044155).

15954822085 is a wasteful number, since it uses less digits than its factorization.

15954822085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30348.

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 15954822085 in words is "fifteen billion, nine hundred fifty-four million, eight hundred twenty-two thousand, eighty-five".