106541215515 has 32 divisors (see below), whose sum is σ = 216464693760. Its totient is φ = 48704555232.

The previous prime is 106541215511. The next prime is 106541215519. The reversal of 106541215515 is 515512145601.

106541215515 is a `hidden beast` number, since 1 + 0 + 65 + 41 + 2 + 1 + 551 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (106541215511) and next prime (106541215519).

It is not a de Polignac number, because 106541215515 - 2² = 106541215511 is a prime.

It is a super-2 number, since 2×106541215515² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106541215515.

It is not an unprimeable number, because it can be changed into a prime (106541215511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56370069 + ... + 56371958.

It is an arithmetic number, because the mean of its divisors is an integer number (6764521680).

Almost surely, 2^106541215515 is an apocalyptic number.

106541215515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106541215515 is an abundant number, since it is smaller than the sum of its proper divisors (109923478245).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

106541215515 is a wasteful number, since it uses less digits than its factorization.

106541215515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112742048 (or 112742042 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 106541215515 in words is "one hundred six billion, five hundred forty-one million, two hundred fifteen thousand, five hundred fifteen".