11380829531 has 2 divisors, whose sum is σ = 11380829532. Its totient is φ = 11380829530.

The previous prime is 11380829527. The next prime is 11380829539. The reversal of 11380829531 is 13592808311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11380829531 - 2² = 11380829527 is a prime.

It is a super-2 number, since 2×11380829531² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11380829539) 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, 5690414765 + 5690414766.

It is an arithmetic number, because the mean of its divisors is an integer number (5690414766).

Almost surely, 2^11380829531 is an apocalyptic number.

11380829531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11380829531 is an equidigital number, since it uses as much as digits as its factorization.

11380829531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 11380829531 in words is "eleven billion, three hundred eighty million, eight hundred twenty-nine thousand, five hundred thirty-one".