51151242762 has 24 divisors (see below), whose sum is σ = 111673710720. Its totient is φ = 16920257640.

The previous prime is 51151242733. The next prime is 51151242797. The reversal of 51151242762 is 26724215115.

51151242762 is a `hidden beast` number, since 511 + 51 + 24 + 2 + 76 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10843962 + ... + 10848677.

It is an arithmetic number, because the mean of its divisors is an integer number (4653071280).

Almost surely, 2^51151242762 is an apocalyptic number.

51151242762 is an abundant number, since it is smaller than the sum of its proper divisors (60522467958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51151242762 is a wasteful number, since it uses less digits than its factorization.

51151242762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21692778 (or 21692775 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

Adding to 51151242762 its reverse (26724215115), we get a palindrome (77875457877).

The spelling of 51151242762 in words is "fifty-one billion, one hundred fifty-one million, two hundred forty-two thousand, seven hundred sixty-two".