1203542500545 has 96 divisors (see below), whose sum is σ = 2601827205120. Its totient is φ = 499995630720.

The previous prime is 1203542500529. The next prime is 1203542500583. The reversal of 1203542500545 is 5450052453021.

1203542500545 is a `hidden beast` number, since 1 + 2 + 0 + 354 + 250 + 0 + 54 + 5 = 666.

It is not a de Polignac number, because 1203542500545 - 2⁴ = 1203542500529 is a prime.

It is a super-2 number, since 2×1203542500545² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9915412 + ... + 10036058.

It is an arithmetic number, because the mean of its divisors is an integer number (27102366720).

Almost surely, 2^{1203542500545} is an apocalyptic number.

1203542500545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203542500545 is an abundant number, since it is smaller than the sum of its proper divisors (1398284704575).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1203542500545 is a wasteful number, since it uses less digits than its factorization.

1203542500545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123555 (or 123552 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 1203542500545 its reverse (5450052453021), we get a palindrome (6653594953566).

The spelling of 1203542500545 in words is "one trillion, two hundred three billion, five hundred forty-two million, five hundred thousand, five hundred forty-five".