15556055494 has 8 divisors (see below), whose sum is σ = 26667523728. Its totient is φ = 6666880920.

The previous prime is 15556055477. The next prime is 15556055551. The reversal of 15556055494 is 49455065551.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555573397 + ... + 555573424.

It is an arithmetic number, because the mean of its divisors is an integer number (3333440466).

Almost surely, 2^15556055494 is an apocalyptic number.

15556055494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15556055494 is a deficient number, since it is larger than the sum of its proper divisors (11111468234).

15556055494 is a wasteful number, since it uses less digits than its factorization.

15556055494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111146830.

The product of its (nonzero) digits is 2700000, while the sum is 49.

The spelling of 15556055494 in words is "fifteen billion, five hundred fifty-six million, fifty-five thousand, four hundred ninety-four".