10100771258 has 4 divisors (see below), whose sum is σ = 15151156890. Its totient is φ = 5050385628.

The previous prime is 10100771257. The next prime is 10100771339. The reversal of 10100771258 is 85217700101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85217700101 = 6869 ⋅12406129.

It can be written as a sum of positive squares in only one way, i.e., 8784750529 + 1316020729 = 93727^2 + 36277^2 .

It is not an unprimeable number, because it can be changed into a prime (10100771257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525192813 + ... + 2525192816.

Almost surely, 2^10100771258 is an apocalyptic number.

10100771258 is a deficient number, since it is larger than the sum of its proper divisors (5050385632).

10100771258 is an equidigital number, since it uses as much as digits as its factorization.

10100771258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5050385631.

The product of its (nonzero) digits is 3920, while the sum is 32.

The spelling of 10100771258 in words is "ten billion, one hundred million, seven hundred seventy-one thousand, two hundred fifty-eight".