51113422515 has 8 divisors (see below), whose sum is σ = 81781476048. Its totient is φ = 27260492000.

The previous prime is 51113422471. The next prime is 51113422517. The reversal of 51113422515 is 51522431115.

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

It is not a de Polignac number, because 51113422515 - 2⁸ = 51113422259 is a prime.

It is a super-2 number, since 2×51113422515² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51113422517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1703780736 + ... + 1703780765.

It is an arithmetic number, because the mean of its divisors is an integer number (10222684506).

Almost surely, 2^51113422515 is an apocalyptic number.

51113422515 is a deficient number, since it is larger than the sum of its proper divisors (30668053533).

51113422515 is a wasteful number, since it uses less digits than its factorization.

51113422515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407561509.

The product of its digits is 6000, while the sum is 30.

The spelling of 51113422515 in words is "fifty-one billion, one hundred thirteen million, four hundred twenty-two thousand, five hundred fifteen".