11621245355 has 4 divisors (see below), whose sum is σ = 13945494432. Its totient is φ = 9296996280.

The previous prime is 11621245343. The next prime is 11621245357. The reversal of 11621245355 is 55354212611.

11621245355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-11621245355 is a prime.

It is a super-2 number, since 2×11621245355² (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 (11621245357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1162124531 + ... + 1162124540.

It is an arithmetic number, because the mean of its divisors is an integer number (3486373608).

Almost surely, 2^11621245355 is an apocalyptic number.

11621245355 is a deficient number, since it is larger than the sum of its proper divisors (2324249077).

11621245355 is an equidigital number, since it uses as much as digits as its factorization.

11621245355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2324249076.

The product of its digits is 36000, while the sum is 35.

Adding to 11621245355 its reverse (55354212611), we get a palindrome (66975457966).

The spelling of 11621245355 in words is "eleven billion, six hundred twenty-one million, two hundred forty-five thousand, three hundred fifty-five".