15480395554 has 8 divisors (see below), whose sum is σ = 25006792860. Its totient is φ = 7144797936.

The previous prime is 15480395531. The next prime is 15480395639. The reversal of 15480395554 is 45559308451.

It can be written as a sum of positive squares in 2 ways, for example, as 13316006025 + 2164389529 = 115395^2 + 46523^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 15480395498 and 15480395507.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297699889 + ... + 297699940.

Almost surely, 2^15480395554 is an apocalyptic number.

15480395554 is a deficient number, since it is larger than the sum of its proper divisors (9526397306).

15480395554 is a wasteful number, since it uses less digits than its factorization.

15480395554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595399844.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 15480395554 in words is "fifteen billion, four hundred eighty million, three hundred ninety-five thousand, five hundred fifty-four".