150551917825868 has 24 divisors (see below), whose sum is σ = 283736231385600. Its totient is φ = 69484577057280.

The previous prime is 150551917825867. The next prime is 150551917825879. The reversal of 150551917825868 is 868528719155051.

It is a super-2 number, since 2×150551917825868² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (71) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (150551917825867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15281093 + ... + 23121756.

It is an arithmetic number, because the mean of its divisors is an integer number (11822342974400).

Almost surely, 2^{150551917825868} is an apocalyptic number.

It is an amenable number.

150551917825868 is a deficient number, since it is larger than the sum of its proper divisors (133184313559732).

150551917825868 is a wasteful number, since it uses less digits than its factorization.

150551917825868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38478257 (or 38478255 counting only the distinct ones).

The product of its (nonzero) digits is 241920000, while the sum is 71.

The spelling of 150551917825868 in words is "one hundred fifty trillion, five hundred fifty-one billion, nine hundred seventeen million, eight hundred twenty-five thousand, eight hundred sixty-eight".