1156664025 has 108 divisors (see below), whose sum is σ = 2324471760. Its totient is φ = 545107200.

The previous prime is 1156663999. The next prime is 1156664039. The reversal of 1156664025 is 5204666511.

It is not a de Polignac number, because 1156664025 - 2¹¹ = 1156661977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12996181 + ... + 12996269.

Almost surely, 2^1156664025 is an apocalyptic number.

1156664025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1156664025 is an abundant number, since it is smaller than the sum of its proper divisors (1167807735).

1156664025 is a wasteful number, since it uses less digits than its factorization.

1156664025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1156664025 is about 34009.7636716282. The cubic root of 1156664025 is about 1049.7093753491.

The spelling of 1156664025 in words is "one billion, one hundred fifty-six million, six hundred sixty-four thousand, twenty-five".