15381096554 has 8 divisors (see below), whose sum is σ = 23199113028. Its totient is φ = 7648058880.

The previous prime is 15381096547. The next prime is 15381096607. The reversal of 15381096554 is 45569018351.

It can be written as a sum of positive squares in 2 ways, for example, as 12504383329 + 2876713225 = 111823^2 + 53635^2 .

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 = 15381096499 and 15381096508.

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, 21244247 + ... + 21244970.

Almost surely, 2^15381096554 is an apocalyptic number.

15381096554 is a deficient number, since it is larger than the sum of its proper divisors (7818016474).

15381096554 is a wasteful number, since it uses less digits than its factorization.

15381096554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42489400.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 15381096554 in words is "fifteen billion, three hundred eighty-one million, ninety-six thousand, five hundred fifty-four".