51156304154 has 8 divisors (see below), whose sum is σ = 81248247828. Its totient is φ = 24073554880.

The previous prime is 51156304139. The next prime is 51156304223. The reversal of 51156304154 is 45140365115.

It can be written as a sum of positive squares in 2 ways, for example, as 43033428025 + 8122876129 = 207445^2 + 90127^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 752298557 + ... + 752298624.

Almost surely, 2^51156304154 is an apocalyptic number.

51156304154 is a deficient number, since it is larger than the sum of its proper divisors (30091943674).

51156304154 is a wasteful number, since it uses less digits than its factorization.

51156304154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504597200.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 51156304154 its reverse (45140365115), we get a palindrome (96296669269).

The spelling of 51156304154 in words is "fifty-one billion, one hundred fifty-six million, three hundred four thousand, one hundred fifty-four".