100203451552 has 12 divisors (see below), whose sum is σ = 197275545306. Its totient is φ = 50101725760.

The previous prime is 100203451507. The next prime is 100203451657. The reversal of 100203451552 is 255154302001.

It can be written as a sum of positive squares in only one way, i.e., 86062436496 + 14141015056 = 293364^2 + 118916^2 .

It is a super-2 number, since 2×100203451552² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100203451552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1565678899 + ... + 1565678962.

Almost surely, 2^100203451552 is an apocalyptic number.

It is an amenable number.

100203451552 is a deficient number, since it is larger than the sum of its proper divisors (97072093754).

100203451552 is an equidigital number, since it uses as much as digits as its factorization.

100203451552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131357871 (or 3131357863 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 100203451552 its reverse (255154302001), we get a palindrome (355357753553).

The spelling of 100203451552 in words is "one hundred billion, two hundred three million, four hundred fifty-one thousand, five hundred fifty-two".