11287946329501 has 2 divisors, whose sum is σ = 11287946329502. Its totient is φ = 11287946329500.

The previous prime is 11287946329421. The next prime is 11287946329553. The reversal of 11287946329501 is 10592364978211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8830109402500 + 2457836927001 = 2971550^2 + 1567749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11287946329501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11287946329591) 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, 5643973164750 + 5643973164751.

It is an arithmetic number, because the mean of its divisors is an integer number (5643973164751).

It is a 1-persistent number, because it is pandigital, but 2⋅11287946329501 = 22575892659002 is not.

Almost surely, 2^{11287946329501} is an apocalyptic number.

It is an amenable number.

11287946329501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287946329501 is an equidigital number, since it uses as much as digits as its factorization.

11287946329501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 11287946329501 in words is "eleven trillion, two hundred eighty-seven billion, nine hundred forty-six million, three hundred twenty-nine thousand, five hundred one".