151335561821 has 8 divisors (see below), whose sum is σ = 156867780000. Its totient is φ = 145824260400.

The previous prime is 151335561791. The next prime is 151335561829. The reversal of 151335561821 is 128165533151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151335561821 - 2¹⁰ = 151335560797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151335561829) 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, 5214455 + ... + 5243396.

It is an arithmetic number, because the mean of its divisors is an integer number (19608472500).

Almost surely, 2^151335561821 is an apocalyptic number.

It is an amenable number.

151335561821 is a deficient number, since it is larger than the sum of its proper divisors (5532218179).

151335561821 is a wasteful number, since it uses less digits than its factorization.

151335561821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458379.

The product of its digits is 108000, while the sum is 41.

The spelling of 151335561821 in words is "one hundred fifty-one billion, three hundred thirty-five million, five hundred sixty-one thousand, eight hundred twenty-one".