35542054125581 has 2 divisors, whose sum is σ = 35542054125582. Its totient is φ = 35542054125580.

The previous prime is 35542054125509. The next prime is 35542054125631. The reversal of 35542054125581 is 18552145024553.

It is an a-pointer prime, because the next prime (35542054125631) can be obtained adding 35542054125581 to its sum of digits (50).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24698007544681 + 10844046580900 = 4969709^2 + 3293030^2 .

It is a cyclic number.

It is not a de Polignac number, because 35542054125581 - 2²² = 35542049931277 is a prime.

It is a super-2 number, since 2×35542054125581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35542054125881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17771027062790 + 17771027062791.

It is an arithmetic number, because the mean of its divisors is an integer number (17771027062791).

Almost surely, 2^{35542054125581} is an apocalyptic number.

It is an amenable number.

35542054125581 is a deficient number, since it is larger than the sum of its proper divisors (1).

35542054125581 is an equidigital number, since it uses as much as digits as its factorization.

35542054125581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800000, while the sum is 50.

The spelling of 35542054125581 in words is "thirty-five trillion, five hundred forty-two billion, fifty-four million, one hundred twenty-five thousand, five hundred eighty-one".