75113551 has 2 divisors, whose sum is σ = 75113552. Its totient is φ = 75113550.

The previous prime is 75113543. The next prime is 75113573. The reversal of 75113551 is 15531157.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 75113551 - 2³ = 75113543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75113501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37556775 + 37556776.

It is an arithmetic number, because the mean of its divisors is an integer number (37556776).

Almost surely, 2^75113551 is an apocalyptic number.

75113551 is a deficient number, since it is larger than the sum of its proper divisors (1).

75113551 is an equidigital number, since it uses as much as digits as its factorization.

75113551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2625, while the sum is 28.

The square root of 75113551 is about 8666.8074283441. The cubic root of 75113551 is about 421.9290533831.

The spelling of 75113551 in words is "seventy-five million, one hundred thirteen thousand, five hundred fifty-one".