153053315153221 has 4 divisors (see below), whose sum is σ = 174918074460832. Its totient is φ = 131188555845612.

The previous prime is 153053315153213. The next prime is 153053315153273. The reversal of 153053315153221 is 122351513350351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 153053315153221 - 2³ = 153053315153213 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 (153053315153281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10932379653795 + ... + 10932379653808.

It is an arithmetic number, because the mean of its divisors is an integer number (43729518615208).

Almost surely, 2^{153053315153221} is an apocalyptic number.

It is an amenable number.

153053315153221 is a deficient number, since it is larger than the sum of its proper divisors (21864759307611).

153053315153221 is an equidigital number, since it uses as much as digits as its factorization.

153053315153221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21864759307610.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 153053315153221 in words is "one hundred fifty-three trillion, fifty-three billion, three hundred fifteen million, one hundred fifty-three thousand, two hundred twenty-one".