150565031421 has 16 divisors (see below), whose sum is σ = 232575341184. Its totient is φ = 84858568704.

The previous prime is 150565031417. The next prime is 150565031459. The reversal of 150565031421 is 124130565051.

It is not a de Polignac number, because 150565031421 - 2² = 150565031417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150565031411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49106436 + ... + 49109501.

It is an arithmetic number, because the mean of its divisors is an integer number (14535958824).

Almost surely, 2^150565031421 is an apocalyptic number.

It is an amenable number.

150565031421 is a deficient number, since it is larger than the sum of its proper divisors (82010309763).

150565031421 is an equidigital number, since it uses as much as digits as its factorization.

150565031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98216020.

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 150565031421 its reverse (124130565051), we get a palindrome (274695596472).

The spelling of 150565031421 in words is "one hundred fifty billion, five hundred sixty-five million, thirty-one thousand, four hundred twenty-one".