16151115505 has 8 divisors (see below), whose sum is σ = 22150101312. Its totient is φ = 11075050608.

The previous prime is 16151115469. The next prime is 16151115517. The reversal of 16151115505 is 50551115161.

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

It is a cyclic number.

It is not a de Polignac number, because 16151115505 - 2¹⁷ = 16150984433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230730187 + ... + 230730256.

It is an arithmetic number, because the mean of its divisors is an integer number (2768762664).

Almost surely, 2^16151115505 is an apocalyptic number.

It is an amenable number.

16151115505 is a deficient number, since it is larger than the sum of its proper divisors (5998985807).

16151115505 is an equidigital number, since it uses as much as digits as its factorization.

16151115505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461460455.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 16151115505 in words is "sixteen billion, one hundred fifty-one million, one hundred fifteen thousand, five hundred five".