60781755503 has 4 divisors (see below), whose sum is σ = 69464863440. Its totient is φ = 52098647568.

The previous prime is 60781755499. The next prime is 60781755533. The reversal of 60781755503 is 30555718706.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 60781755503 - 2² = 60781755499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60781755533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4341553958 + ... + 4341553971.

It is an arithmetic number, because the mean of its divisors is an integer number (17366215860).

Almost surely, 2^60781755503 is an apocalyptic number.

60781755503 is a deficient number, since it is larger than the sum of its proper divisors (8683107937).

60781755503 is an equidigital number, since it uses as much as digits as its factorization.

60781755503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683107936.

The product of its (nonzero) digits is 882000, while the sum is 47.

The spelling of 60781755503 in words is "sixty billion, seven hundred eighty-one million, seven hundred fifty-five thousand, five hundred three".