11508648340 has 48 divisors (see below), whose sum is σ = 28294447104. Its totient is φ = 3849580800.

The previous prime is 11508648337. The next prime is 11508648343. The reversal of 11508648340 is 4384680511.

It is an interprime number because it is at equal distance from previous prime (11508648337) and next prime (11508648343).

It is a super-2 number, since 2×11508648340² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11508648293 and 11508648302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11508648343) 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, 996756 + ... + 1008235.

It is an arithmetic number, because the mean of its divisors is an integer number (589467648).

Almost surely, 2^11508648340 is an apocalyptic number.

11508648340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11508648340 is an abundant number, since it is smaller than the sum of its proper divisors (16785798764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11508648340 is a wasteful number, since it uses less digits than its factorization.

11508648340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005048 (or 2005046 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The spelling of 11508648340 in words is "eleven billion, five hundred eight million, six hundred forty-eight thousand, three hundred forty".