11522151775 has 12 divisors (see below), whose sum is σ = 14288976072. Its totient is φ = 9216748640.

The previous prime is 11522151763. The next prime is 11522151847. The reversal of 11522151775 is 57715122511.

It is not a de Polignac number, because 11522151775 - 2⁷ = 11522151647 is a prime.

It is a super-2 number, since 2×11522151775² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 304452 + ... + 340198.

It is an arithmetic number, because the mean of its divisors is an integer number (1190748006).

Almost surely, 2^11522151775 is an apocalyptic number.

11522151775 is a deficient number, since it is larger than the sum of its proper divisors (2766824297).

11522151775 is a wasteful number, since it uses less digits than its factorization.

11522151775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48650 (or 48645 counting only the distinct ones).

The product of its digits is 24500, while the sum is 37.

The spelling of 11522151775 in words is "eleven billion, five hundred twenty-two million, one hundred fifty-one thousand, seven hundred seventy-five".