11562520379 has 2 divisors, whose sum is σ = 11562520380. Its totient is φ = 11562520378.

The previous prime is 11562520373. The next prime is 11562520381. The reversal of 11562520379 is 97302526511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11562520379 - 2⁴ = 11562520363 is a prime.

It is a Sophie Germain prime.

Together with 11562520381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11562520373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5781260189 + 5781260190.

It is an arithmetic number, because the mean of its divisors is an integer number (5781260190).

Almost surely, 2^11562520379 is an apocalyptic number.

11562520379 is a deficient number, since it is larger than the sum of its proper divisors (1).

11562520379 is an equidigital number, since it uses as much as digits as its factorization.

11562520379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 11562520379 in words is "eleven billion, five hundred sixty-two million, five hundred twenty thousand, three hundred seventy-nine".