51245523151 has 8 divisors (see below), whose sum is σ = 52117632000. Its totient is φ = 50373532440.

The previous prime is 51245523137. The next prime is 51245523157. The reversal of 51245523151 is 15132554215.

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 51245523151 - 2¹³ = 51245514959 is a prime.

It is a super-2 number, since 2×51245523151² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51245523157) 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, 1642386 + ... + 1673296.

It is an arithmetic number, because the mean of its divisors is an integer number (6514704000).

Almost surely, 2^51245523151 is an apocalyptic number.

51245523151 is a deficient number, since it is larger than the sum of its proper divisors (872108849).

51245523151 is a wasteful number, since it uses less digits than its factorization.

51245523151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59069.

The product of its digits is 30000, while the sum is 34.

The spelling of 51245523151 in words is "fifty-one billion, two hundred forty-five million, five hundred twenty-three thousand, one hundred fifty-one".