1151475389055 has 96 divisors (see below), whose sum is σ = 2244933662400. Its totient is φ = 542550306816.

The previous prime is 1151475389047. The next prime is 1151475389081. The reversal of 1151475389055 is 5509835741511.

1151475389055 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 475 + 38 + 90 + 55 = 666.

It is not a de Polignac number, because 1151475389055 - 2³ = 1151475389047 is a prime.

It is a super-2 number, since 2×1151475389055² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1151475388992 and 1151475389010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1220917 + ... + 1947713.

It is an arithmetic number, because the mean of its divisors is an integer number (23384725650).

Almost surely, 2^{1151475389055} is an apocalyptic number.

1151475389055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1151475389055 is a deficient number, since it is larger than the sum of its proper divisors (1093458273345).

1151475389055 is a wasteful number, since it uses less digits than its factorization.

1151475389055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726953 (or 726950 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 54.

The spelling of 1151475389055 in words is "one trillion, one hundred fifty-one billion, four hundred seventy-five million, three hundred eighty-nine thousand, fifty-five".