153305503035421 has 8 divisors (see below), whose sum is σ = 167465059855488. Its totient is φ = 139183061700000.

The previous prime is 153305503035361. The next prime is 153305503035439. The reversal of 153305503035421 is 124530305503351.

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 153305503035421 - 2³³ = 153296913100829 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 (153305503036421) 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, 9278862520 + ... + 9278879041.

It is an arithmetic number, because the mean of its divisors is an integer number (20933132481936).

Almost surely, 2^{153305503035421} is an apocalyptic number.

153305503035421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

153305503035421 is a deficient number, since it is larger than the sum of its proper divisors (14159556820067).

153305503035421 is a wasteful number, since it uses less digits than its factorization.

153305503035421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18557742323.

The product of its (nonzero) digits is 405000, while the sum is 40.

Adding to 153305503035421 its reverse (124530305503351), we get a palindrome (277835808538772).

The spelling of 153305503035421 in words is "one hundred fifty-three trillion, three hundred five billion, five hundred three million, thirty-five thousand, four hundred twenty-one".