11953977029 has 2 divisors, whose sum is σ = 11953977030. Its totient is φ = 11953977028.

The previous prime is 11953976941. The next prime is 11953977031. The reversal of 11953977029 is 92077935911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11946052804 + 7924225 = 109298^2 + 2815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11953977029 is a prime.

Together with 11953977031, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11953977829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5976988514 + 5976988515.

It is an arithmetic number, because the mean of its divisors is an integer number (5976988515).

Almost surely, 2^11953977029 is an apocalyptic number.

It is an amenable number.

11953977029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11953977029 is an equidigital number, since it uses as much as digits as its factorization.

11953977029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1071630, while the sum is 53.

The spelling of 11953977029 in words is "eleven billion, nine hundred fifty-three million, nine hundred seventy-seven thousand, twenty-nine".