10271517551 has 4 divisors (see below), whose sum is σ = 10323657432. Its totient is φ = 10219377672.

The previous prime is 10271517547. The next prime is 10271517563. The reversal of 10271517551 is 15571517201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10271517551 - 2² = 10271517547 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 (10271517541) 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, 26069645 + ... + 26070038.

It is an arithmetic number, because the mean of its divisors is an integer number (2580914358).

Almost surely, 2^10271517551 is an apocalyptic number.

10271517551 is a deficient number, since it is larger than the sum of its proper divisors (52139881).

10271517551 is an equidigital number, since it uses as much as digits as its factorization.

10271517551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52139880.

The product of its (nonzero) digits is 12250, while the sum is 35.

The spelling of 10271517551 in words is "ten billion, two hundred seventy-one million, five hundred seventeen thousand, five hundred fifty-one".