203453361115402 has 8 divisors (see below), whose sum is σ = 305630824602276. Its totient is φ = 101576419581312.

The previous prime is 203453361115379. The next prime is 203453361115429. The reversal of 203453361115402 is 204511163354302.

It can be written as a sum of positive squares in 2 ways, for example, as 203393263083201 + 60098032201 = 14261601^2 + 245149^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75130486503 + ... + 75130489210.

Almost surely, 2^{203453361115402} is an apocalyptic number.

203453361115402 is a deficient number, since it is larger than the sum of its proper divisors (102177463486874).

203453361115402 is a wasteful number, since it uses less digits than its factorization.

203453361115402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150260976392.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 203453361115402 in words is "two hundred three trillion, four hundred fifty-three billion, three hundred sixty-one million, one hundred fifteen thousand, four hundred two".