1152155052 has 36 divisors (see below), whose sum is σ = 3006342976. Its totient is φ = 371662560.

The previous prime is 1152155027. The next prime is 1152155101. The reversal of 1152155052 is 2505512511.

1152155052 is a `hidden beast` number, since 1 + 152 + 1 + 5 + 505 + 2 = 666.

1152155052 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1152155052² = 2654922527698245408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 515083 + ... + 517314.

Almost surely, 2^1152155052 is an apocalyptic number.

1152155052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1152155052 is an abundant number, since it is smaller than the sum of its proper divisors (1854187924).

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

1152155052 is a wasteful number, since it uses less digits than its factorization.

1152155052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032438 (or 1032433 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 1152155052 is about 33943.4095517819. The cubic root of 1152155052 is about 1048.3435869619.

Adding to 1152155052 its reverse (2505512511), we get a palindrome (3657667563).

The spelling of 1152155052 in words is "one billion, one hundred fifty-two million, one hundred fifty-five thousand, fifty-two".