201541425551 has 2 divisors, whose sum is σ = 201541425552. Its totient is φ = 201541425550.

The previous prime is 201541425529. The next prime is 201541425577. The reversal of 201541425551 is 155524145102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201541425551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201541425521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100770712775 + 100770712776.

It is an arithmetic number, because the mean of its divisors is an integer number (100770712776).

Almost surely, 2^201541425551 is an apocalyptic number.

201541425551 is a deficient number, since it is larger than the sum of its proper divisors (1).

201541425551 is an equidigital number, since it uses as much as digits as its factorization.

201541425551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 201541425551 in words is "two hundred one billion, five hundred forty-one million, four hundred twenty-five thousand, five hundred fifty-one".