1161201374929 has 2 divisors, whose sum is σ = 1161201374930. Its totient is φ = 1161201374928.

The previous prime is 1161201374917. The next prime is 1161201374933. The reversal of 1161201374929 is 9294731021611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1113179035329 + 48022339600 = 1055073^2 + 219140^2 .

It is a cyclic number.

It is not a de Polignac number, because 1161201374929 - 2⁵ = 1161201374897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1161201374129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580600687464 + 580600687465.

It is an arithmetic number, because the mean of its divisors is an integer number (580600687465).

Almost surely, 2^{1161201374929} is an apocalyptic number.

It is an amenable number.

1161201374929 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161201374929 is an equidigital number, since it uses as much as digits as its factorization.

1161201374929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 1161201374929 in words is "one trillion, one hundred sixty-one billion, two hundred one million, three hundred seventy-four thousand, nine hundred twenty-nine".