1253194740001 has 2 divisors, whose sum is σ = 1253194740002. Its totient is φ = 1253194740000.

The previous prime is 1253194739933. The next prime is 1253194740029. The reversal of 1253194740001 is 1000474913521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1231533965025 + 21660774976 = 1109745^2 + 147176^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253194740001 - 2³⁵ = 1218835001633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253194740041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626597370000 + 626597370001.

It is an arithmetic number, because the mean of its divisors is an integer number (626597370001).

Almost surely, 2^{1253194740001} is an apocalyptic number.

It is an amenable number.

1253194740001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253194740001 is an equidigital number, since it uses as much as digits as its factorization.

1253194740001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 1253194740001 in words is "one trillion, two hundred fifty-three billion, one hundred ninety-four million, seven hundred forty thousand, one".