11955282540 has 48 divisors (see below), whose sum is σ = 33505769472. Its totient is φ = 3185125056.

The previous prime is 11955282527. The next prime is 11955282613. The reversal of 11955282540 is 4528255911.

It is a super-2 number, since 2×11955282540² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11955282492 and 11955282501.

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, 26434 + ... + 156873.

It is an arithmetic number, because the mean of its divisors is an integer number (698036864).

Almost surely, 2^11955282540 is an apocalyptic number.

11955282540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11955282540 is an abundant number, since it is smaller than the sum of its proper divisors (21550486932).

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

11955282540 is a wasteful number, since it uses less digits than its factorization.

11955282540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184406 (or 184404 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 42.

The spelling of 11955282540 in words is "eleven billion, nine hundred fifty-five million, two hundred eighty-two thousand, five hundred forty".