11212553045 has 8 divisors (see below), whose sum is σ = 13675638840. Its totient is φ = 8822992320.

The previous prime is 11212553017. The next prime is 11212553063. The reversal of 11212553045 is 54035521211.

It can be written as a sum of positive squares in 4 ways, for example, as 1733972881 + 9478580164 = 41641^2 + 97358^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11212553045 - 2⁸ = 11212552789 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11212552999 and 11212553017.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 18380930 + ... + 18381539.

It is an arithmetic number, because the mean of its divisors is an integer number (1709454855).

Almost surely, 2^11212553045 is an apocalyptic number.

It is an amenable number.

11212553045 is a deficient number, since it is larger than the sum of its proper divisors (2463085795).

11212553045 is an equidigital number, since it uses as much as digits as its factorization.

11212553045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36762535.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 11212553045 in words is "eleven billion, two hundred twelve million, five hundred fifty-three thousand, forty-five".