782315141551 has 4 divisors (see below), whose sum is σ = 801395998704. Its totient is φ = 763234284400.

The previous prime is 782315141507. The next prime is 782315141567. The reversal of 782315141551 is 155141513287.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155141513287 = 101 ⋅1536054587.

It is a cyclic number.

It is not a de Polignac number, because 782315141551 - 2¹³ = 782315133359 is a prime.

It is a super-2 number, since 2×782315141551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 782315141498 and 782315141507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (782315151551) 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, 9540428515 + ... + 9540428596.

It is an arithmetic number, because the mean of its divisors is an integer number (200348999676).

Almost surely, 2^782315141551 is an apocalyptic number.

782315141551 is a deficient number, since it is larger than the sum of its proper divisors (19080857153).

782315141551 is a wasteful number, since it uses less digits than its factorization.

782315141551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19080857152.

The product of its digits is 168000, while the sum is 43.

The spelling of 782315141551 in words is "seven hundred eighty-two billion, three hundred fifteen million, one hundred forty-one thousand, five hundred fifty-one".