1055425665 has 16 divisors (see below), whose sum is σ = 1929921408. Its totient is φ = 482480256.

The previous prime is 1055425643. The next prime is 1055425687. The reversal of 1055425665 is 5665245501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1055425643) and next prime (1055425687).

It is not a de Polignac number, because 1055425665 - 2⁶ = 1055425601 is a prime.

It is a super-2 number, since 2×1055425665² = 2227846668681384450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5025732 + ... + 5025941.

It is an arithmetic number, because the mean of its divisors is an integer number (120620088).

Almost surely, 2^1055425665 is an apocalyptic number.

1055425665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055425665 is a deficient number, since it is larger than the sum of its proper divisors (874495743).

1055425665 is a wasteful number, since it uses less digits than its factorization.

1055425665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051688.

The product of its (nonzero) digits is 180000, while the sum is 39.

The square root of 1055425665 is about 32487.3154477251. The cubic root of 1055425665 is about 1018.1440249855.

The spelling of 1055425665 in words is "one billion, fifty-five million, four hundred twenty-five thousand, six hundred sixty-five".