11667202451 has 2 divisors, whose sum is σ = 11667202452. Its totient is φ = 11667202450.

The previous prime is 11667202447. The next prime is 11667202471. The reversal of 11667202451 is 15420276611.

It is a weak prime.

It is an emirp because it is prime and its reverse (15420276611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11667202451 - 2² = 11667202447 is a prime.

It is a super-2 number, since 2×11667202451² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11667202411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833601225 + 5833601226.

It is an arithmetic number, because the mean of its divisors is an integer number (5833601226).

Almost surely, 2^11667202451 is an apocalyptic number.

11667202451 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667202451 is an equidigital number, since it uses as much as digits as its factorization.

11667202451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 11667202451 in words is "eleven billion, six hundred sixty-seven million, two hundred two thousand, four hundred fifty-one".