10551211242 has 64 divisors (see below), whose sum is σ = 24805799424. Its totient is φ = 2949704640.

The previous prime is 10551211217. The next prime is 10551211249. The reversal of 10551211242 is 24211215501.

It is a happy number.

It is a super-2 number, since 2×10551211242² (a number of 21 digits) contains 22 as substring.

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

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 31 ways as a sum of consecutive naturals, for example, 2972913 + ... + 2976459.

It is an arithmetic number, because the mean of its divisors is an integer number (387590616).

Almost surely, 2^10551211242 is an apocalyptic number.

10551211242 is an abundant number, since it is smaller than the sum of its proper divisors (14254588182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10551211242 is a wasteful number, since it uses less digits than its factorization.

10551211242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7043.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 10551211242 its reverse (24211215501), we get a palindrome (34762426743).

The spelling of 10551211242 in words is "ten billion, five hundred fifty-one million, two hundred eleven thousand, two hundred forty-two".