75551101603 has 2 divisors, whose sum is σ = 75551101604. Its totient is φ = 75551101602.

The previous prime is 75551101559. The next prime is 75551101621. The reversal of 75551101603 is 30610115557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75551101603 - 2²¹ = 75549004451 is a prime.

It is not a weakly prime, because it can be changed into another prime (75551101693) by changing a digit.

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, 37775550801 + 37775550802.

It is an arithmetic number, because the mean of its divisors is an integer number (37775550802).

Almost surely, 2^75551101603 is an apocalyptic number.

75551101603 is a deficient number, since it is larger than the sum of its proper divisors (1).

75551101603 is an equidigital number, since it uses as much as digits as its factorization.

75551101603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15750, while the sum is 34.

The spelling of 75551101603 in words is "seventy-five billion, five hundred fifty-one million, one hundred one thousand, six hundred three".