11537982251 has 2 divisors, whose sum is σ = 11537982252. Its totient is φ = 11537982250.

The previous prime is 11537982227. The next prime is 11537982289. The reversal of 11537982251 is 15228973511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11537982251 - 2⁶ = 11537982187 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11537982851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5768991125 + 5768991126.

It is an arithmetic number, because the mean of its divisors is an integer number (5768991126).

Almost surely, 2^11537982251 is an apocalyptic number.

11537982251 is a deficient number, since it is larger than the sum of its proper divisors (1).

11537982251 is an equidigital number, since it uses as much as digits as its factorization.

11537982251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 44.

The spelling of 11537982251 in words is "eleven billion, five hundred thirty-seven million, nine hundred eighty-two thousand, two hundred fifty-one".