30525002555561 has 2 divisors, whose sum is σ = 30525002555562. Its totient is φ = 30525002555560.

The previous prime is 30525002555503. The next prime is 30525002555581. The reversal of 30525002555561 is 16555520052503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30154540429225 + 370462126336 = 5491315^2 + 608656^2 .

It is a cyclic number.

It is not a de Polignac number, because 30525002555561 - 2³⁰ = 30523928813737 is a prime.

It is not a weakly prime, because it can be changed into another prime (30525002555581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15262501277780 + 15262501277781.

It is an arithmetic number, because the mean of its divisors is an integer number (15262501277781).

Almost surely, 2^{30525002555561} is an apocalyptic number.

It is an amenable number.

30525002555561 is a deficient number, since it is larger than the sum of its proper divisors (1).

30525002555561 is an equidigital number, since it uses as much as digits as its factorization.

30525002555561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1125000, while the sum is 44.

The spelling of 30525002555561 in words is "thirty trillion, five hundred twenty-five billion, two million, five hundred fifty-five thousand, five hundred sixty-one".