11346561648 has 50 divisors (see below), whose sum is σ = 32840245064. Its totient is φ = 3782186784.

The previous prime is 11346561647. The next prime is 11346561649. The reversal of 11346561648 is 84616564311.

11346561648 is a `hidden beast` number, since 1 + 1 + 3 + 46 + 561 + 6 + 48 = 666.

It is an interprime number because it is at equal distance from previous prime (11346561647) and next prime (11346561649).

It is a super-2 number, since 2×11346561648² (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 (11346561647) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4376236 + ... + 4378827.

Almost surely, 2^11346561648 is an apocalyptic number.

11346561648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11346561648 is an abundant number, since it is smaller than the sum of its proper divisors (21493683416).

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

11346561648 is an equidigital number, since it uses as much as digits as its factorization.

11346561648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8755083 (or 8755068 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 11346561648 in words is "eleven billion, three hundred forty-six million, five hundred sixty-one thousand, six hundred forty-eight".