10270981157 has 4 divisors (see below), whose sum is σ = 10328361120. Its totient is φ = 10213601196.

The previous prime is 10270981153. The next prime is 10270981169. The reversal of 10270981157 is 75118907201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75118907201 = 13 ⋅5778377477.

It is a cyclic number.

It is not a de Polignac number, because 10270981157 - 2² = 10270981153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10270981153) 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, 28689713 + ... + 28690070.

It is an arithmetic number, because the mean of its divisors is an integer number (2582090280).

Almost surely, 2^10270981157 is an apocalyptic number.

It is an amenable number.

10270981157 is a deficient number, since it is larger than the sum of its proper divisors (57379963).

10270981157 is an equidigital number, since it uses as much as digits as its factorization.

10270981157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57379962.

The product of its (nonzero) digits is 35280, while the sum is 41.

The spelling of 10270981157 in words is "ten billion, two hundred seventy million, nine hundred eighty-one thousand, one hundred fifty-seven".