11294949261 has 32 divisors (see below), whose sum is σ = 15703200000. Its totient is φ = 7212699648.

The previous prime is 11294949233. The next prime is 11294949313. The reversal of 11294949261 is 16294949211.

It is not a de Polignac number, because 11294949261 - 2¹⁰ = 11294948237 is a prime.

It is a super-2 number, since 2×11294949261² (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 11294949261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11294949961) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7772811 + ... + 7774263.

It is an arithmetic number, because the mean of its divisors is an integer number (490725000).

Almost surely, 2^11294949261 is an apocalyptic number.

It is an amenable number.

11294949261 is a deficient number, since it is larger than the sum of its proper divisors (4408250739).

11294949261 is a wasteful number, since it uses less digits than its factorization.

11294949261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its digits is 279936, while the sum is 48.

The spelling of 11294949261 in words is "eleven billion, two hundred ninety-four million, nine hundred forty-nine thousand, two hundred sixty-one".