15072471161 has 4 divisors (see below), whose sum is σ = 16442695824. Its totient is φ = 13702246500.

The previous prime is 15072471103. The next prime is 15072471163. The reversal of 15072471161 is 16117427051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15072471161 - 2¹⁴ = 15072454777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15072471163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685112315 + ... + 685112336.

It is an arithmetic number, because the mean of its divisors is an integer number (4110673956).

Almost surely, 2^15072471161 is an apocalyptic number.

15072471161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

15072471161 is a deficient number, since it is larger than the sum of its proper divisors (1370224663).

15072471161 is a wasteful number, since it uses less digits than its factorization.

15072471161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370224662.

The product of its (nonzero) digits is 11760, while the sum is 35.

The spelling of 15072471161 in words is "fifteen billion, seventy-two million, four hundred seventy-one thousand, one hundred sixty-one".