1102142993257 has 2 divisors, whose sum is σ = 1102142993258. Its totient is φ = 1102142993256.

The previous prime is 1102142993251. The next prime is 1102142993267. The reversal of 1102142993257 is 7523992412011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1050182246656 + 51960746601 = 1024784^2 + 227949^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102142993257 - 2⁷ = 1102142993129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102142993251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551071496628 + 551071496629.

It is an arithmetic number, because the mean of its divisors is an integer number (551071496629).

Almost surely, 2^{1102142993257} is an apocalyptic number.

It is an amenable number.

1102142993257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102142993257 is an equidigital number, since it uses as much as digits as its factorization.

1102142993257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 1102142993257 in words is "one trillion, one hundred two billion, one hundred forty-two million, nine hundred ninety-three thousand, two hundred fifty-seven".