10551211243 has 8 divisors (see below), whose sum is σ = 10893121920. Its totient is φ = 10209397440.

The previous prime is 10551211217. The next prime is 10551211249. The reversal of 10551211243 is 34211215501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10551211243 is a prime.

It is a super-2 number, since 2×10551211243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10551211249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244713 + ... + 284581.

It is an arithmetic number, because the mean of its divisors is an integer number (1361640240).

Almost surely, 2^10551211243 is an apocalyptic number.

10551211243 is a deficient number, since it is larger than the sum of its proper divisors (341910677).

10551211243 is an equidigital number, since it uses as much as digits as its factorization.

10551211243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48437.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 10551211243 its reverse (34211215501), we get a palindrome (44762426744).

The spelling of 10551211243 in words is "ten billion, five hundred fifty-one million, two hundred eleven thousand, two hundred forty-three".