1151216224511 has 4 divisors (see below), whose sum is σ = 1151248737072. Its totient is φ = 1151183711952.

The previous prime is 1151216224507. The next prime is 1151216224537. The reversal of 1151216224511 is 1154226121511.

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

It is a cyclic number.

It is not a de Polignac number, because 1151216224511 - 2² = 1151216224507 is a prime.

It is a super-2 number, since 2×1151216224511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151216254511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16203110 + ... + 16274003.

It is an arithmetic number, because the mean of its divisors is an integer number (287812184268).

Almost surely, 2^{1151216224511} is an apocalyptic number.

1151216224511 is a deficient number, since it is larger than the sum of its proper divisors (32512561).

1151216224511 is an equidigital number, since it uses as much as digits as its factorization.

1151216224511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32512560.

The product of its digits is 4800, while the sum is 32.

The spelling of 1151216224511 in words is "one trillion, one hundred fifty-one billion, two hundred sixteen million, two hundred twenty-four thousand, five hundred eleven".