11959720351 has 2 divisors, whose sum is σ = 11959720352. Its totient is φ = 11959720350.

The previous prime is 11959720319. The next prime is 11959720397. The reversal of 11959720351 is 15302795911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11959720351 - 2⁵ = 11959720319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11959720298 and 11959720307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11959720151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5979860175 + 5979860176.

It is an arithmetic number, because the mean of its divisors is an integer number (5979860176).

Almost surely, 2^11959720351 is an apocalyptic number.

11959720351 is a deficient number, since it is larger than the sum of its proper divisors (1).

11959720351 is an equidigital number, since it uses as much as digits as its factorization.

11959720351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 43.

The spelling of 11959720351 in words is "eleven billion, nine hundred fifty-nine million, seven hundred twenty thousand, three hundred fifty-one".