1153928965 has 16 divisors (see below), whose sum is σ = 1633582080. Its totient is φ = 765740160.

The previous prime is 1153928927. The next prime is 1153928999. The reversal of 1153928965 is 5698293511.

It is not a de Polignac number, because 1153928965 - 2¹⁵ = 1153896197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530680 + ... + 532849.

It is an arithmetic number, because the mean of its divisors is an integer number (102098880).

Almost surely, 2^1153928965 is an apocalyptic number.

It is an amenable number.

1153928965 is a deficient number, since it is larger than the sum of its proper divisors (479653115).

1153928965 is a wasteful number, since it uses less digits than its factorization.

1153928965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063572.

The product of its digits is 583200, while the sum is 49.

The square root of 1153928965 is about 33969.5299496475. The cubic root of 1153928965 is about 1048.8813377092.

It can be divided in two parts, 11539 and 28965, that added together give a palindrome (40504).

The spelling of 1153928965 in words is "one billion, one hundred fifty-three million, nine hundred twenty-eight thousand, nine hundred sixty-five".