11428561152 has 54 divisors (see below), whose sum is σ = 32951365902. Its totient is φ = 3809519616.

The previous prime is 11428561141. The next prime is 11428561201. The reversal of 11428561152 is 25116582411.

11428561152 is a `hidden beast` number, since 1 + 1 + 42 + 8 + 561 + 1 + 52 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11426754816 + 1806336 = 106896^2 + 1344^2 .

It is a super-2 number, since 2×11428561152² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2477853 + ... + 2482460.

Almost surely, 2^11428561152 is an apocalyptic number.

11428561152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11428561152 is an abundant number, since it is smaller than the sum of its proper divisors (21522804750).

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

11428561152 is an equidigital number, since it uses as much as digits as its factorization.

11428561152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960335 (or 4960318 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The spelling of 11428561152 in words is "eleven billion, four hundred twenty-eight million, five hundred sixty-one thousand, one hundred fifty-two".