11084720511 has 16 divisors (see below), whose sum is σ = 15653965824. Its totient is φ = 6952919424.

The previous prime is 11084720501. The next prime is 11084720519. The reversal of 11084720511 is 11502748011.

It is not a de Polignac number, because 11084720511 - 2¹⁵ = 11084687743 is a prime.

It is a super-2 number, since 2×11084720511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11084720519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136770 + ... + 202176.

It is an arithmetic number, because the mean of its divisors is an integer number (978372864).

Almost surely, 2^11084720511 is an apocalyptic number.

11084720511 is a deficient number, since it is larger than the sum of its proper divisors (4569245313).

11084720511 is a wasteful number, since it uses less digits than its factorization.

11084720511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68750.

The product of its (nonzero) digits is 2240, while the sum is 30.

The spelling of 11084720511 in words is "eleven billion, eighty-four million, seven hundred twenty thousand, five hundred eleven".