1155370953 has 16 divisors (see below), whose sum is σ = 1685923776. Its totient is φ = 697981440.

The previous prime is 1155370921. The next prime is 1155371003. The reversal of 1155370953 is 3590735511.

It is not a de Polignac number, because 1155370953 - 2⁵ = 1155370921 is a prime.

It is a super-2 number, since 2×1155370953² = 2669764078072256418, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1155375953) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 45600 + ... + 66257.

It is an arithmetic number, because the mean of its divisors is an integer number (105370236).

Almost surely, 2^1155370953 is an apocalyptic number.

It is an amenable number.

1155370953 is a deficient number, since it is larger than the sum of its proper divisors (530552823).

1155370953 is a wasteful number, since it uses less digits than its factorization.

1155370953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112184.

The product of its (nonzero) digits is 70875, while the sum is 39.

The square root of 1155370953 is about 33990.7480500209. The cubic root of 1155370953 is about 1049.3180615089.

The spelling of 1155370953 in words is "one billion, one hundred fifty-five million, three hundred seventy thousand, nine hundred fifty-three".