16151055515 has 16 divisors (see below), whose sum is σ = 23113064448. Its totient is φ = 10593486816.

The previous prime is 16151055511. The next prime is 16151055533. The reversal of 16151055515 is 51555015161.

It is a cyclic number.

It is not a de Polignac number, because 16151055515 - 2² = 16151055511 is a prime.

It is a super-2 number, since 2×16151055515² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16151055511) 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, 10030907 + ... + 10032516.

It is an arithmetic number, because the mean of its divisors is an integer number (1444566528).

Almost surely, 2^16151055515 is an apocalyptic number.

16151055515 is a deficient number, since it is larger than the sum of its proper divisors (6962008933).

16151055515 is a wasteful number, since it uses less digits than its factorization.

16151055515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20063458.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 16151055515 in words is "sixteen billion, one hundred fifty-one million, fifty-five thousand, five hundred fifteen".