1026987726251 has 2 divisors, whose sum is σ = 1026987726252. Its totient is φ = 1026987726250.

The previous prime is 1026987726239. The next prime is 1026987726263. The reversal of 1026987726251 is 1526277896201.

It is a balanced prime because it is at equal distance from previous prime (1026987726239) and next prime (1026987726263).

It is a cyclic number.

It is not a de Polignac number, because 1026987726251 - 2²² = 1026983531947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1026987726211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513493863125 + 513493863126.

It is an arithmetic number, because the mean of its divisors is an integer number (513493863126).

Almost surely, 2^{1026987726251} is an apocalyptic number.

1026987726251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026987726251 is an equidigital number, since it uses as much as digits as its factorization.

1026987726251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 56.

The spelling of 1026987726251 in words is "one trillion, twenty-six billion, nine hundred eighty-seven million, seven hundred twenty-six thousand, two hundred fifty-one".