1141565656 has 32 divisors (see below), whose sum is σ = 2668596480. Its totient is φ = 444765600.

The previous prime is 1141565653. The next prime is 1141565713. The reversal of 1141565656 is 6565651411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1141565653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925980 + ... + 927211.

It is an arithmetic number, because the mean of its divisors is an integer number (83393640).

Almost surely, 2^1141565656 is an apocalyptic number.

It is an amenable number.

1141565656 is an abundant number, since it is smaller than the sum of its proper divisors (1527030824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141565656 is a wasteful number, since it uses less digits than its factorization.

1141565656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1853215 (or 1853211 counting only the distinct ones).

The product of its digits is 108000, while the sum is 40.

The square root of 1141565656 is about 33787.0634415008. The cubic root of 1141565656 is about 1045.1219399381.

The spelling of 1141565656 in words is "one billion, one hundred forty-one million, five hundred sixty-five thousand, six hundred fifty-six".