75551101963 has 2 divisors, whose sum is σ = 75551101964. Its totient is φ = 75551101962.

The previous prime is 75551101949. The next prime is 75551101979. The reversal of 75551101963 is 36910115557.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75551101963 is a prime.

It is not a weakly prime, because it can be changed into another prime (75551101903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37775550981 + 37775550982.

It is an arithmetic number, because the mean of its divisors is an integer number (37775550982).

Almost surely, 2^75551101963 is an apocalyptic number.

75551101963 is a deficient number, since it is larger than the sum of its proper divisors (1).

75551101963 is an equidigital number, since it uses as much as digits as its factorization.

75551101963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141750, while the sum is 43.

The spelling of 75551101963 in words is "seventy-five billion, five hundred fifty-one million, one hundred one thousand, nine hundred sixty-three".