1155200319 has 32 divisors (see below), whose sum is σ = 2106352640. Its totient is φ = 609335136.

The previous prime is 1155200309. The next prime is 1155200329. The reversal of 1155200319 is 9130025511.

It is an interprime number because it is at equal distance from previous prime (1155200309) and next prime (1155200329).

It is not a de Polignac number, because 1155200319 - 2¹⁷ = 1155069247 is a prime.

It is a super-2 number, since 2×1155200319² = 2668975554035403522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1155200292 and 1155200301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155200309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232627 + ... + 237540.

It is an arithmetic number, because the mean of its divisors is an integer number (65823520).

Almost surely, 2^1155200319 is an apocalyptic number.

1155200319 is a deficient number, since it is larger than the sum of its proper divisors (951152321).

1155200319 is a wasteful number, since it uses less digits than its factorization.

1155200319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470196 (or 470190 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 27.

The square root of 1155200319 is about 33988.2379507970. The cubic root of 1155200319 is about 1049.2664018658.

The spelling of 1155200319 in words is "one billion, one hundred fifty-five million, two hundred thousand, three hundred nineteen".