101375745257 has 4 divisors (see below), whose sum is σ = 102272875860. Its totient is φ = 100478614656.

The previous prime is 101375745151. The next prime is 101375745299. The reversal of 101375745257 is 752547573101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752547573101 = 89 ⋅8455590709.

It can be written as a sum of positive squares in 2 ways, for example, as 35050953961 + 66324791296 = 187219^2 + 257536^2 .

It is a cyclic number.

It is not a de Polignac number, because 101375745257 - 2¹⁸ = 101375483113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101375744257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 448565132 + ... + 448565357.

It is an arithmetic number, because the mean of its divisors is an integer number (25568218965).

Almost surely, 2^101375745257 is an apocalyptic number.

It is an amenable number.

101375745257 is a deficient number, since it is larger than the sum of its proper divisors (897130603).

101375745257 is an equidigital number, since it uses as much as digits as its factorization.

101375745257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897130602.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The spelling of 101375745257 in words is "one hundred one billion, three hundred seventy-five million, seven hundred forty-five thousand, two hundred fifty-seven".