15552331112011 has 8 divisors (see below), whose sum is σ = 15570384564800. Its totient is φ = 15534278657352.

The previous prime is 15552331111973. The next prime is 15552331112053. The reversal of 15552331112011 is 11021113325551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15552331112011 - 2¹⁷ = 15552330980939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15552331112411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33588076 + ... + 34047958.

It is an arithmetic number, because the mean of its divisors is an integer number (1946298070600).

Almost surely, 2^{15552331112011} is an apocalyptic number.

15552331112011 is a deficient number, since it is larger than the sum of its proper divisors (18053452789).

15552331112011 is an equidigital number, since it uses as much as digits as its factorization.

15552331112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499065.

The product of its (nonzero) digits is 4500, while the sum is 31.

Adding to 15552331112011 its reverse (11021113325551), we get a palindrome (26573444437562).

The spelling of 15552331112011 in words is "fifteen trillion, five hundred fifty-two billion, three hundred thirty-one million, one hundred twelve thousand, eleven".