15540082655 has 8 divisors (see below), whose sum is σ = 18648896112. Its totient is φ = 12431534848.

The previous prime is 15540082643. The next prime is 15540082673. The reversal of 15540082655 is 55628004551.

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 15540082655 - 2⁴ = 15540082639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100367 + ... + 202863.

It is an arithmetic number, because the mean of its divisors is an integer number (2331112014).

Almost surely, 2^15540082655 is an apocalyptic number.

15540082655 is a deficient number, since it is larger than the sum of its proper divisors (3108813457).

15540082655 is a wasteful number, since it uses less digits than its factorization.

15540082655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132825.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 15540082655 in words is "fifteen billion, five hundred forty million, eighty-two thousand, six hundred fifty-five".