11337278523 has 4 divisors (see below), whose sum is σ = 15116371368. Its totient is φ = 7558185680.

The previous prime is 11337278479. The next prime is 11337278527. The reversal of 11337278523 is 32587273311.

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 11337278523 - 2²¹ = 11335181371 is a prime.

It is a super-3 number, since 3×11337278523³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11337278527) 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, 1889546418 + ... + 1889546423.

It is an arithmetic number, because the mean of its divisors is an integer number (3779092842).

Almost surely, 2^11337278523 is an apocalyptic number.

11337278523 is a deficient number, since it is larger than the sum of its proper divisors (3779092845).

11337278523 is an equidigital number, since it uses as much as digits as its factorization.

11337278523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3779092844.

The product of its digits is 211680, while the sum is 42.

The spelling of 11337278523 in words is "eleven billion, three hundred thirty-seven million, two hundred seventy-eight thousand, five hundred twenty-three".