1240351552001 has 2 divisors, whose sum is σ = 1240351552002. Its totient is φ = 1240351552000.

The previous prime is 1240351551979. The next prime is 1240351552007. The reversal of 1240351552001 is 1002551530421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1223127614401 + 17223937600 = 1105951^2 + 131240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1240351552001 is a prime.

It is not a weakly prime, because it can be changed into another prime (1240351552007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 620175776000 + 620175776001.

It is an arithmetic number, because the mean of its divisors is an integer number (620175776001).

Almost surely, 2^{1240351552001} is an apocalyptic number.

It is an amenable number.

1240351552001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1240351552001 is an equidigital number, since it uses as much as digits as its factorization.

1240351552001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1240351552001 in words is "one trillion, two hundred forty billion, three hundred fifty-one million, five hundred fifty-two thousand, one".