15532445011 has 4 divisors (see below), whose sum is σ = 15683245552. Its totient is φ = 15381644472.

The previous prime is 15532445009. The next prime is 15532445083. The reversal of 15532445011 is 11054423551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 15532445011 - 2¹ = 15532445009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15532445111) 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, 75400116 + ... + 75400321.

It is an arithmetic number, because the mean of its divisors is an integer number (3920811388).

Almost surely, 2^15532445011 is an apocalyptic number.

15532445011 is a deficient number, since it is larger than the sum of its proper divisors (150800541).

15532445011 is a wasteful number, since it uses less digits than its factorization.

15532445011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150800540.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 15532445011 its reverse (11054423551), we get a palindrome (26586868562).

The spelling of 15532445011 in words is "fifteen billion, five hundred thirty-two million, four hundred forty-five thousand, eleven".