153502533043213 has 16 divisors (see below), whose sum is σ = 154401335683056. Its totient is φ = 152604814049280.

The previous prime is 153502533043117. The next prime is 153502533043231. The reversal of 153502533043213 is 312340335205351.

It can be written as a sum of positive squares in 8 ways, for example, as 8446451813284 + 145056081229929 = 2906278^2 + 12043923^2 .

It is a cyclic number.

It is not a de Polignac number, because 153502533043213 - 2²⁵ = 153502499488781 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 (153502533043243) 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, 6997414981 + ... + 6997436917.

It is an arithmetic number, because the mean of its divisors is an integer number (9650083480191).

Almost surely, 2^{153502533043213} is an apocalyptic number.

It is an amenable number.

153502533043213 is a deficient number, since it is larger than the sum of its proper divisors (898802639843).

153502533043213 is a wasteful number, since it uses less digits than its factorization.

153502533043213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44784.

The product of its (nonzero) digits is 486000, while the sum is 40.

Adding to 153502533043213 its reverse (312340335205351), we get a palindrome (465842868248564).

The spelling of 153502533043213 in words is "one hundred fifty-three trillion, five hundred two billion, five hundred thirty-three million, forty-three thousand, two hundred thirteen".