11401435265 has 16 divisors (see below), whose sum is σ = 14949907776. Its totient is φ = 8278401600.

The previous prime is 11401435261. The next prime is 11401435273. The reversal of 11401435265 is 56253410411.

It is not a de Polignac number, because 11401435265 - 2² = 11401435261 is a prime.

It is a super-2 number, since 2×11401435265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11401435261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135371 + ... + 202800.

It is an arithmetic number, because the mean of its divisors is an integer number (934369236).

Almost surely, 2^11401435265 is an apocalyptic number.

It is an amenable number.

11401435265 is a deficient number, since it is larger than the sum of its proper divisors (3548472511).

11401435265 is a wasteful number, since it uses less digits than its factorization.

11401435265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338800.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11401435265 its reverse (56253410411), we get a palindrome (67654845676).

The spelling of 11401435265 in words is "eleven billion, four hundred one million, four hundred thirty-five thousand, two hundred sixty-five".