101115156 has 12 divisors (see below), whose sum is σ = 235935392. Its totient is φ = 33705048.

The previous prime is 101115137. The next prime is 101115173. The reversal of 101115156 is 651511101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213120 + ... + 4213143.

Almost surely, 2^101115156 is an apocalyptic number.

It is an amenable number.

101115156 is an abundant number, since it is smaller than the sum of its proper divisors (134820236).

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

101115156 is a wasteful number, since it uses less digits than its factorization.

101115156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426270 (or 8426268 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 21.

The square root of 101115156 is about 10055.6032141289. The cubic root of 101115156 is about 465.8778745098.

Adding to 101115156 its reverse (651511101), we get a palindrome (752626257).

The spelling of 101115156 in words is "one hundred one million, one hundred fifteen thousand, one hundred fifty-six".