215533129150 has 12 divisors (see below), whose sum is σ = 400891620312. Its totient is φ = 86213251640.

The previous prime is 215533129127. The next prime is 215533129177. The reversal of 215533129150 is 51921335512.

It is a super-2 number, since 2×215533129150² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2155331242 + ... + 2155331341.

It is an arithmetic number, because the mean of its divisors is an integer number (33407635026).

Almost surely, 2^215533129150 is an apocalyptic number.

215533129150 is a deficient number, since it is larger than the sum of its proper divisors (185358491162).

215533129150 is a wasteful number, since it uses less digits than its factorization.

215533129150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4310662595 (or 4310662590 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 215533129150 in words is "two hundred fifteen billion, five hundred thirty-three million, one hundred twenty-nine thousand, one hundred fifty".