1155001933 has 4 divisors (see below), whose sum is σ = 1166215648. Its totient is φ = 1143788220.

The previous prime is 1155001919. The next prime is 1155001997. The reversal of 1155001933 is 3391005511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1155001933 - 2⁵ = 1155001901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155001033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5606703 + ... + 5606908.

It is an arithmetic number, because the mean of its divisors is an integer number (291553912).

Almost surely, 2^1155001933 is an apocalyptic number.

It is an amenable number.

1155001933 is a deficient number, since it is larger than the sum of its proper divisors (11213715).

1155001933 is a wasteful number, since it uses less digits than its factorization.

1155001933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213714.

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 1155001933 is about 33985.3193746947. The cubic root of 1155001933 is about 1049.2063338764.

The spelling of 1155001933 in words is "one billion, one hundred fifty-five million, one thousand, nine hundred thirty-three".