15561001119 has 32 divisors (see below), whose sum is σ = 22537771776. Its totient is φ = 9513745920.

The previous prime is 15561001117. The next prime is 15561001147. The reversal of 15561001119 is 91110016551.

15561001119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15561001119 - 2¹ = 15561001117 is a prime.

It is a super-2 number, since 2×15561001119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15561001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 309504 + ... + 356250.

It is an arithmetic number, because the mean of its divisors is an integer number (704305368).

Almost surely, 2^15561001119 is an apocalyptic number.

15561001119 is a deficient number, since it is larger than the sum of its proper divisors (6976770657).

15561001119 is a wasteful number, since it uses less digits than its factorization.

15561001119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46935.

The product of its (nonzero) digits is 1350, while the sum is 30.

The spelling of 15561001119 in words is "fifteen billion, five hundred sixty-one million, one thousand, one hundred nineteen".