15801028379 has 4 divisors (see below), whose sum is σ = 15804768960. Its totient is φ = 15797287800.

The previous prime is 15801028351. The next prime is 15801028393. The reversal of 15801028379 is 97382010851.

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

It is a cyclic number.

It is not a de Polignac number, because 15801028379 - 2¹⁶ = 15800962843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15801028979) 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, 1863947 + ... + 1872404.

It is an arithmetic number, because the mean of its divisors is an integer number (3951192240).

Almost surely, 2^15801028379 is an apocalyptic number.

15801028379 is a deficient number, since it is larger than the sum of its proper divisors (3740581).

15801028379 is an equidigital number, since it uses as much as digits as its factorization.

15801028379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3740580.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 15801028379 in words is "fifteen billion, eight hundred one million, twenty-eight thousand, three hundred seventy-nine".