106615156660515 has 16 divisors (see below), whose sum is σ = 189538056285600. Its totient is φ = 56861416885536.

The previous prime is 106615156660513. The next prime is 106615156660541. The reversal of 106615156660515 is 515066651516601.

It is not a de Polignac number, because 106615156660515 - 2¹ = 106615156660513 is a prime.

It is a super-2 number, since 2×106615156660515² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (106615156660513) 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, 394870950460 + ... + 394870950729.

It is an arithmetic number, because the mean of its divisors is an integer number (11846128517850).

Almost surely, 2^{106615156660515} is an apocalyptic number.

106615156660515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

106615156660515 is a deficient number, since it is larger than the sum of its proper divisors (82922899625085).

106615156660515 is an equidigital number, since it uses as much as digits as its factorization.

106615156660515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789741901203 (or 789741901197 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 54.

The spelling of 106615156660515 in words is "one hundred six trillion, six hundred fifteen billion, one hundred fifty-six million, six hundred sixty thousand, five hundred fifteen".