1303426660000 has 60 divisors (see below), whose sum is σ = 3206625146802. Its totient is φ = 521370656000.

The previous prime is 1303426659989. The next prime is 1303426660049. The reversal of 1303426660000 is 666243031.

It can be written as a sum of positive squares in 5 ways, for example, as 29174006416 + 1274252653584 = 170804^2 + 1128828^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 32565667 + ... + 32605666.

Almost surely, 2^{1303426660000} is an apocalyptic number.

1303426660000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1303426660000 is an abundant number, since it is smaller than the sum of its proper divisors (1903198486802).

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

1303426660000 is an frugal number, since it uses more digits than its factorization.

1303426660000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65171363 (or 65171340 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 1303426660000 in words is "one trillion, three hundred three billion, four hundred twenty-six million, six hundred sixty thousand".