11903352061 has 2 divisors, whose sum is σ = 11903352062. Its totient is φ = 11903352060.

The previous prime is 11903352037. The next prime is 11903352107. The reversal of 11903352061 is 16025330911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6514911225 + 5388440836 = 80715^2 + 73406^2 .

It is a cyclic number.

It is not a de Polignac number, because 11903352061 - 2¹⁵ = 11903319293 is a prime.

It is a super-2 number, since 2×11903352061² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11903352001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5951676030 + 5951676031.

It is an arithmetic number, because the mean of its divisors is an integer number (5951676031).

Almost surely, 2^11903352061 is an apocalyptic number.

It is an amenable number.

11903352061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11903352061 is an equidigital number, since it uses as much as digits as its factorization.

11903352061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 31.

Adding to 11903352061 its reverse (16025330911), we get a palindrome (27928682972).

The spelling of 11903352061 in words is "eleven billion, nine hundred three million, three hundred fifty-two thousand, sixty-one".