15043101990 has 128 divisors (see below), whose sum is σ = 43832448000. Its totient is φ = 3227475456.

The previous prime is 15043101961. The next prime is 15043101991. The reversal of 15043101990 is 9910134051.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15043101991) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 417616 + ... + 452204.

It is an arithmetic number, because the mean of its divisors is an integer number (342441000).

Almost surely, 2^15043101990 is an apocalyptic number.

15043101990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15043101990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21916224000).

15043101990 is an abundant number, since it is smaller than the sum of its proper divisors (28789346010).

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

15043101990 is a wasteful number, since it uses less digits than its factorization.

15043101990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34734.

The product of its (nonzero) digits is 4860, while the sum is 33.

The spelling of 15043101990 in words is "fifteen billion, forty-three million, one hundred one thousand, nine hundred ninety".