10551231771365 has 8 divisors (see below), whose sum is σ = 12955931105568. Its totient is φ = 8244683430480.

The previous prime is 10551231771341. The next prime is 10551231771371. The reversal of 10551231771365 is 56317713215501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10551231771365 - 2⁸ = 10551231771109 is a prime.

It is a super-2 number, since 2×10551231771365² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24537748091 + ... + 24537748520.

It is an arithmetic number, because the mean of its divisors is an integer number (1619491388196).

Almost surely, 2^{10551231771365} is an apocalyptic number.

It is an amenable number.

10551231771365 is a deficient number, since it is larger than the sum of its proper divisors (2404699334203).

10551231771365 is an equidigital number, since it uses as much as digits as its factorization.

10551231771365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49075496659.

The product of its (nonzero) digits is 661500, while the sum is 47.

Adding to 10551231771365 its reverse (56317713215501), we get a palindrome (66868944986866).

The spelling of 10551231771365 in words is "ten trillion, five hundred fifty-one billion, two hundred thirty-one million, seven hundred seventy-one thousand, three hundred sixty-five".