1011452656 has 20 divisors (see below), whose sum is σ = 1963046232. Its totient is φ = 504860096.

The previous prime is 1011452647. The next prime is 1011452719. The reversal of 1011452656 is 6562541101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44455 + ... + 63238.

Almost surely, 2^1011452656 is an apocalyptic number.

1011452656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1011452656 is a deficient number, since it is larger than the sum of its proper divisors (951593576).

1011452656 is a wasteful number, since it uses less digits than its factorization.

1011452656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108288 (or 108282 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 1011452656 is about 31803.3434720314. The cubic root of 1011452656 is about 1003.8030703211.

Adding to 1011452656 its reverse (6562541101), we get a palindrome (7573993757).

The spelling of 1011452656 in words is "one billion, eleven million, four hundred fifty-two thousand, six hundred fifty-six".