11312255505151 has 4 divisors (see below), whose sum is σ = 11312324132832. Its totient is φ = 11312186877472.

The previous prime is 11312255505143. The next prime is 11312255505223. The reversal of 11312255505151 is 15150555221311.

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 11312255505151 - 2³ = 11312255505143 is a prime.

It is a super-2 number, since 2×11312255505151² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11312255505151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312255515151) 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, 34065991 + ... + 34396456.

It is an arithmetic number, because the mean of its divisors is an integer number (2828081033208).

Almost surely, 2^{11312255505151} is an apocalyptic number.

11312255505151 is a deficient number, since it is larger than the sum of its proper divisors (68627681).

11312255505151 is an equidigital number, since it uses as much as digits as its factorization.

11312255505151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68627680.

The product of its (nonzero) digits is 37500, while the sum is 37.

The spelling of 11312255505151 in words is "eleven trillion, three hundred twelve billion, two hundred fifty-five million, five hundred five thousand, one hundred fifty-one".