30774211525961 has 24 divisors (see below), whose sum is σ = 31438356557400. Its totient is φ = 30121712531456.

The previous prime is 30774211525933. The next prime is 30774211525973. The reversal of 30774211525961 is 16952511247703.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 17097861121936 + 13676350404025 = 4134956^2 + 3698155^2 .

It is not a de Polignac number, because 30774211525961 - 2¹⁴ = 30774211509577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30774211525061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 329099765 + ... + 329193261.

It is an arithmetic number, because the mean of its divisors is an integer number (1309931523225).

Almost surely, 2^{30774211525961} is an apocalyptic number.

It is an amenable number.

30774211525961 is a deficient number, since it is larger than the sum of its proper divisors (664145031439).

30774211525961 is a wasteful number, since it uses less digits than its factorization.

30774211525961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94045 (or 93932 counting only the distinct ones).

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 30774211525961 in words is "thirty trillion, seven hundred seventy-four billion, two hundred eleven million, five hundred twenty-five thousand, nine hundred sixty-one".