150861206321 has 24 divisors (see below), whose sum is σ = 179646334560. Its totient is φ = 126250693632.

The previous prime is 150861206281. The next prime is 150861206359. The reversal of 150861206321 is 123602168051.

It is not a de Polignac number, because 150861206321 - 2¹⁴ = 150861189937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (150861206371) 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, 5652410 + ... + 5679036.

It is an arithmetic number, because the mean of its divisors is an integer number (7485263940).

Almost surely, 2^150861206321 is an apocalyptic number.

It is an amenable number.

150861206321 is a deficient number, since it is larger than the sum of its proper divisors (28785128239).

150861206321 is a wasteful number, since it uses less digits than its factorization.

150861206321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29373 (or 29366 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 150861206321 in words is "one hundred fifty billion, eight hundred sixty-one million, two hundred six thousand, three hundred twenty-one".