775632531412551 has 8 divisors (see below), whose sum is σ = 1048742577684864. Its totient is φ = 509805419707640.

The previous prime is 775632531412547. The next prime is 775632531412597. The reversal of 775632531412551 is 155214135236577.

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

It is a cyclic number.

It is not a de Polignac number, because 775632531412551 - 2² = 775632531412547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 775632531412491 and 775632531412500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (775632531512551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820733641601 + ... + 1820733642026.

It is an arithmetic number, because the mean of its divisors is an integer number (131092822210608).

Almost surely, 2^{775632531412551} is an apocalyptic number.

775632531412551 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

775632531412551 is a deficient number, since it is larger than the sum of its proper divisors (273110046272313).

775632531412551 is a wasteful number, since it uses less digits than its factorization.

775632531412551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641467283701.

The product of its digits is 26460000, while the sum is 57.

The spelling of 775632531412551 in words is "seven hundred seventy-five trillion, six hundred thirty-two billion, five hundred thirty-one million, four hundred twelve thousand, five hundred fifty-one".