1128553695 has 32 divisors (see below), whose sum is σ = 2036279040. Its totient is φ = 592907040.

The previous prime is 1128553693. The next prime is 1128553747. The reversal of 1128553695 is 5963558211.

1128553695 is a `hidden beast` number, since 1 + 1 + 2 + 8 + 553 + 6 + 95 = 666.

It is not a de Polignac number, because 1128553695 - 2¹ = 1128553693 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1128553695.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128553691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53341 + ... + 71430.

It is an arithmetic number, because the mean of its divisors is an integer number (63633720).

Almost surely, 2^1128553695 is an apocalyptic number.

1128553695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128553695 is a deficient number, since it is larger than the sum of its proper divisors (907725345).

1128553695 is a wasteful number, since it uses less digits than its factorization.

1128553695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124852 (or 124846 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 1128553695 is about 33593.9532505479. The cubic root of 1128553695 is about 1041.1358691182.

It can be divided in two parts, 11285 and 53695, that added together give a triangular number (64980 = T₃₆₀).

The spelling of 1128553695 in words is "one billion, one hundred twenty-eight million, five hundred fifty-three thousand, six hundred ninety-five".