1143656448430 has 64 divisors (see below), whose sum is σ = 2165668876800. Its totient is φ = 434003701120.

The previous prime is 1143656448391. The next prime is 1143656448457. The reversal of 1143656448430 is 348446563411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15979425 + ... + 16050835.

It is an arithmetic number, because the mean of its divisors is an integer number (33838576200).

Almost surely, 2^{1143656448430} is an apocalyptic number.

1143656448430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143656448430 is a deficient number, since it is larger than the sum of its proper divisors (1022012428370).

1143656448430 is a wasteful number, since it uses less digits than its factorization.

1143656448430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72009.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 1143656448430 in words is "one trillion, one hundred forty-three billion, six hundred fifty-six million, four hundred forty-eight thousand, four hundred thirty".