11145071263 has 4 divisors (see below), whose sum is σ = 11146263688. Its totient is φ = 11143878840.

The previous prime is 11145071251. The next prime is 11145071297. The reversal of 11145071263 is 36217054111.

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 11145071263 - 2¹³ = 11145063071 is a prime.

It is a super-2 number, since 2×11145071263² (a number of 21 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 (11145071213) 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, 582081 + ... + 600922.

It is an arithmetic number, because the mean of its divisors is an integer number (2786565922).

Almost surely, 2^11145071263 is an apocalyptic number.

11145071263 is a deficient number, since it is larger than the sum of its proper divisors (1192425).

11145071263 is an equidigital number, since it uses as much as digits as its factorization.

11145071263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192424.

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 11145071263 in words is "eleven billion, one hundred forty-five million, seventy-one thousand, two hundred sixty-three".