1056465216525 has 48 divisors (see below), whose sum is σ = 1759030549760. Its totient is φ = 559480262400.

The previous prime is 1056465216497. The next prime is 1056465216533. The reversal of 1056465216525 is 5256125646501.

It is not a de Polignac number, because 1056465216525 - 2⁷ = 1056465216397 is a prime.

It is a super-2 number, since 2×1056465216525² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6323820 + ... + 6488730.

Almost surely, 2^{1056465216525} is an apocalyptic number.

1056465216525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056465216525 is a deficient number, since it is larger than the sum of its proper divisors (702565333235).

1056465216525 is a wasteful number, since it uses less digits than its factorization.

1056465216525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165526 (or 165521 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 48.

The spelling of 1056465216525 in words is "one trillion, fifty-six billion, four hundred sixty-five million, two hundred sixteen thousand, five hundred twenty-five".