15535040055 has 8 divisors (see below), whose sum is σ = 24856064112. Its totient is φ = 8285354688.

The previous prime is 15535040033. The next prime is 15535040057. The reversal of 15535040055 is 55004053551.

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

It is not a de Polignac number, because 15535040055 - 2¹² = 15535035959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15535039998 and 15535040025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15535040057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517834654 + ... + 517834683.

It is an arithmetic number, because the mean of its divisors is an integer number (3107008014).

Almost surely, 2^15535040055 is an apocalyptic number.

15535040055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15535040055 is a deficient number, since it is larger than the sum of its proper divisors (9321024057).

15535040055 is a wasteful number, since it uses less digits than its factorization.

15535040055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035669345.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 15535040055 in words is "fifteen billion, five hundred thirty-five million, forty thousand, fifty-five".