15982989011 has 4 divisors (see below), whose sum is σ = 17435988024. Its totient is φ = 14529990000.

The previous prime is 15982988977. The next prime is 15982989023. The reversal of 15982989011 is 11098928951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11098928951 = 11 ⋅1008993541.

It is a cyclic number.

It is not a de Polignac number, because 15982989011 - 2⁶ = 15982988947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15982989091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726499490 + ... + 726499511.

It is an arithmetic number, because the mean of its divisors is an integer number (4358997006).

Almost surely, 2^15982989011 is an apocalyptic number.

15982989011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

15982989011 is a deficient number, since it is larger than the sum of its proper divisors (1452999013).

15982989011 is a wasteful number, since it uses less digits than its factorization.

15982989011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452999012.

The product of its (nonzero) digits is 466560, while the sum is 53.

The spelling of 15982989011 in words is "fifteen billion, nine hundred eighty-two million, nine hundred eighty-nine thousand, eleven".