30206541261 has 32 divisors (see below), whose sum is σ = 44111426688. Its totient is φ = 18272759040.

The previous prime is 30206541251. The next prime is 30206541283. The reversal of 30206541261 is 16214560203.

It is not a de Polignac number, because 30206541261 - 2³¹ = 28059057613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30206541251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5604610 + ... + 5609996.

It is an arithmetic number, because the mean of its divisors is an integer number (1378482084).

Almost surely, 2^30206541261 is an apocalyptic number.

It is an amenable number.

30206541261 is a deficient number, since it is larger than the sum of its proper divisors (13904885427).

30206541261 is a wasteful number, since it uses less digits than its factorization.

30206541261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7821.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 30206541261 in words is "thirty billion, two hundred six million, five hundred forty-one thousand, two hundred sixty-one".