11147206749 has 32 divisors (see below), whose sum is σ = 17817698304. Its totient is φ = 6060933120.

The previous prime is 11147206739. The next prime is 11147206751. The reversal of 11147206749 is 94760274111.

It is not a de Polignac number, because 11147206749 - 2⁹ = 11147206237 is a prime.

It is a super-2 number, since 2×11147206749² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11147206749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147206739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31837 + ... + 152669.

It is an arithmetic number, because the mean of its divisors is an integer number (556803072).

Almost surely, 2^11147206749 is an apocalyptic number.

It is an amenable number.

11147206749 is a deficient number, since it is larger than the sum of its proper divisors (6670491555).

11147206749 is a wasteful number, since it uses less digits than its factorization.

11147206749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121057.

The product of its (nonzero) digits is 84672, while the sum is 42.

The spelling of 11147206749 in words is "eleven billion, one hundred forty-seven million, two hundred six thousand, seven hundred forty-nine".