15405451161 has 16 divisors (see below), whose sum is σ = 21831613440. Its totient is φ = 9635291280.

The previous prime is 15405451141. The next prime is 15405451163. The reversal of 15405451161 is 16115450451.

It is not a de Polignac number, because 15405451161 - 2¹⁴ = 15405434777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15405451163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306125 + ... + 1317866.

It is an arithmetic number, because the mean of its divisors is an integer number (1364475840).

Almost surely, 2^15405451161 is an apocalyptic number.

It is an amenable number.

15405451161 is a deficient number, since it is larger than the sum of its proper divisors (6426162279).

15405451161 is a wasteful number, since it uses less digits than its factorization.

15405451161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624116.

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 15405451161 in words is "fifteen billion, four hundred five million, four hundred fifty-one thousand, one hundred sixty-one".