15133454554 has 4 divisors (see below), whose sum is σ = 22700181834. Its totient is φ = 7566727276.

The previous prime is 15133454551. The next prime is 15133454563. The reversal of 15133454554 is 45545433151.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13070205625 + 2063248929 = 114325^2 + 45423^2 .

It is not an unprimeable number, because it can be changed into a prime (15133454551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3783363637 + ... + 3783363640.

Almost surely, 2^15133454554 is an apocalyptic number.

15133454554 is a deficient number, since it is larger than the sum of its proper divisors (7566727280).

15133454554 is an equidigital number, since it uses as much as digits as its factorization.

15133454554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7566727279.

The product of its digits is 360000, while the sum is 40.

The spelling of 15133454554 in words is "fifteen billion, one hundred thirty-three million, four hundred fifty-four thousand, five hundred fifty-four".