151205566550 has 48 divisors (see below), whose sum is σ = 284529445200. Its totient is φ = 59775936000.

The previous prime is 151205566531. The next prime is 151205566553. The reversal of 151205566550 is 55665502151.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 151205566498 and 151205566507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151205566553) 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, 12137825 + ... + 12150275.

It is an arithmetic number, because the mean of its divisors is an integer number (5927696775).

Almost surely, 2^151205566550 is an apocalyptic number.

151205566550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151205566550 is a deficient number, since it is larger than the sum of its proper divisors (133323878650).

151205566550 is a wasteful number, since it uses less digits than its factorization.

151205566550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15281 (or 15276 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 151205566550 in words is "one hundred fifty-one billion, two hundred five million, five hundred sixty-six thousand, five hundred fifty".