1252103472091 has 2 divisors, whose sum is σ = 1252103472092. Its totient is φ = 1252103472090.

The previous prime is 1252103472019. The next prime is 1252103472143. The reversal of 1252103472091 is 1902743012521.

Together with previous prime (1252103472019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252103472091 - 2¹¹ = 1252103470043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1252103472091.

It is not a weakly prime, because it can be changed into another prime (1252173472091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626051736045 + 626051736046.

It is an arithmetic number, because the mean of its divisors is an integer number (626051736046).

Almost surely, 2^{1252103472091} is an apocalyptic number.

1252103472091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252103472091 is an equidigital number, since it uses as much as digits as its factorization.

1252103472091 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 1252103472091 in words is "one trillion, two hundred fifty-two billion, one hundred three million, four hundred seventy-two thousand, ninety-one".