203045245501 has 16 divisors (see below), whose sum is σ = 241740535680. Its totient is φ = 166916056320.

The previous prime is 203045245493. The next prime is 203045245567. The reversal of 203045245501 is 105542540302.

203045245501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 203045245501 - 2³ = 203045245493 is a prime.

It is a super-2 number, since 2×203045245501² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203045245591) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5978616 + ... + 6012481.

It is an arithmetic number, because the mean of its divisors is an integer number (15108783480).

Almost surely, 2^203045245501 is an apocalyptic number.

It is an amenable number.

203045245501 is a deficient number, since it is larger than the sum of its proper divisors (38695290179).

203045245501 is a wasteful number, since it uses less digits than its factorization.

203045245501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11991204.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 203045245501 its reverse (105542540302), we get a palindrome (308587785803).

The spelling of 203045245501 in words is "two hundred three billion, forty-five million, two hundred forty-five thousand, five hundred one".