11455211511022 has 8 divisors (see below), whose sum is σ = 17182835604000. Its totient is φ = 5727599643024.

The previous prime is 11455211511013. The next prime is 11455211511043. The reversal of 11455211511022 is 22011511255411.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167622 + ... + 4789417.

It is an arithmetic number, because the mean of its divisors is an integer number (2147854450500).

Almost surely, 2^{11455211511022} is an apocalyptic number.

11455211511022 is a deficient number, since it is larger than the sum of its proper divisors (5727624092978).

11455211511022 is a wasteful number, since it uses less digits than its factorization.

11455211511022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112490.

The product of its (nonzero) digits is 4000, while the sum is 31.

Adding to 11455211511022 its reverse (22011511255411), we get a palindrome (33466722766433).

The spelling of 11455211511022 in words is "eleven trillion, four hundred fifty-five billion, two hundred eleven million, five hundred eleven thousand, twenty-two".