15271980434 has 8 divisors (see below), whose sum is σ = 23296241520. Its totient is φ = 7506566596.

The previous prime is 15271980431. The next prime is 15271980439. The reversal of 15271980434 is 43408917251.

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

It is not an unprimeable number, because it can be changed into a prime (15271980431) by changing a digit.

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, 64711664 + ... + 64711899.

It is an arithmetic number, because the mean of its divisors is an integer number (2912030190).

Almost surely, 2^15271980434 is an apocalyptic number.

15271980434 is a deficient number, since it is larger than the sum of its proper divisors (8024261086).

15271980434 is a wasteful number, since it uses less digits than its factorization.

15271980434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129423624.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 15271980434 in words is "fifteen billion, two hundred seventy-one million, nine hundred eighty thousand, four hundred thirty-four".