11641288615 has 16 divisors (see below), whose sum is σ = 15527046816. Its totient is φ = 8306646400.

The previous prime is 11641288601. The next prime is 11641288627. The reversal of 11641288615 is 51688214611.

It is not a de Polignac number, because 11641288615 - 2¹³ = 11641280423 is a prime.

It is a super-3 number, since 3×11641288615³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1993876 + ... + 1999705.

It is an arithmetic number, because the mean of its divisors is an integer number (970440426).

Almost surely, 2^11641288615 is an apocalyptic number.

11641288615 is a deficient number, since it is larger than the sum of its proper divisors (3885758201).

11641288615 is a wasteful number, since it uses less digits than its factorization.

11641288615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993650.

The product of its digits is 92160, while the sum is 43.

The spelling of 11641288615 in words is "eleven billion, six hundred forty-one million, two hundred eighty-eight thousand, six hundred fifteen".