1152438749290 has 16 divisors (see below), whose sum is σ = 2074437379368. Its totient is φ = 460964915136.

The previous prime is 1152438749269. The next prime is 1152438749327. The reversal of 1152438749290 is 929478342511.

It is a Cunningham number, because it is equal to 1073517²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1007054397441 + 145384351849 = 1003521^2 + 381293^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857997 + ... + 1743856.

Almost surely, 2^{1152438749290} is an apocalyptic number.

1152438749290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1152438749290 is a deficient number, since it is larger than the sum of its proper divisors (921998630078).

1152438749290 is a wasteful number, since it uses less digits than its factorization.

1152438749290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646153.

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 1152438749290 in words is "one trillion, one hundred fifty-two billion, four hundred thirty-eight million, seven hundred forty-nine thousand, two hundred ninety".