11621106433 has 2 divisors, whose sum is σ = 11621106434. Its totient is φ = 11621106432.

The previous prime is 11621106421. The next prime is 11621106451. The reversal of 11621106433 is 33460112611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8930817009 + 2690289424 = 94503^2 + 51868^2 .

It is a cyclic number.

It is not a de Polignac number, because 11621106433 - 2²⁵ = 11587552001 is a prime.

It is a super-2 number, since 2×11621106433² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11621106463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5810553216 + 5810553217.

It is an arithmetic number, because the mean of its divisors is an integer number (5810553217).

Almost surely, 2^11621106433 is an apocalyptic number.

It is an amenable number.

11621106433 is a deficient number, since it is larger than the sum of its proper divisors (1).

11621106433 is an equidigital number, since it uses as much as digits as its factorization.

11621106433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 11621106433 in words is "eleven billion, six hundred twenty-one million, one hundred six thousand, four hundred thirty-three".