15054398856 has 160 divisors (see below), whose sum is σ = 48246939840. Its totient is φ = 4296177792.

The previous prime is 15054398837. The next prime is 15054398881. The reversal of 15054398856 is 65889345051.

15054398856 is a `hidden beast` number, since 1 + 5 + 0 + 543 + 98 + 8 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 5609691 + ... + 5612373.

It is an arithmetic number, because the mean of its divisors is an integer number (301543374).

Almost surely, 2^15054398856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15054398856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24123469920).

15054398856 is an abundant number, since it is smaller than the sum of its proper divisors (33192540984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15054398856 is a wasteful number, since it uses less digits than its factorization.

15054398856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 54.

The spelling of 15054398856 in words is "fifteen billion, fifty-four million, three hundred ninety-eight thousand, eight hundred fifty-six".