106515551115 has 24 divisors (see below), whose sum is σ = 187382586768. Its totient is φ = 55960407360.

The previous prime is 106515551113. The next prime is 106515551159. The reversal of 106515551115 is 511155515601.

It is not a de Polignac number, because 106515551115 - 2¹ = 106515551113 is a prime.

It is a super-2 number, since 2×106515551115² (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 106515551115.

It is not an unprimeable number, because it can be changed into a prime (106515551113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17661256 + ... + 17667285.

It is an arithmetic number, because the mean of its divisors is an integer number (7807607782).

Almost surely, 2^106515551115 is an apocalyptic number.

106515551115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106515551115 is a deficient number, since it is larger than the sum of its proper divisors (80867035653).

106515551115 is a wasteful number, since it uses less digits than its factorization.

106515551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35328619 (or 35328616 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 106515551115 in words is "one hundred six billion, five hundred fifteen million, five hundred fifty-one thousand, one hundred fifteen".