51186059157 has 8 divisors (see below), whose sum is σ = 68874208480. Its totient is φ = 33810974640.

The previous prime is 51186059131. The next prime is 51186059191. The reversal of 51186059157 is 75195068115.

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

It is not a de Polignac number, because 51186059157 - 2²³ = 51177670549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51186059117) 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, 78265819 + ... + 78266472.

It is an arithmetic number, because the mean of its divisors is an integer number (8609276060).

Almost surely, 2^51186059157 is an apocalyptic number.

It is an amenable number.

51186059157 is a deficient number, since it is larger than the sum of its proper divisors (17688149323).

51186059157 is a wasteful number, since it uses less digits than its factorization.

51186059157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156532403.

The product of its (nonzero) digits is 378000, while the sum is 48.

The spelling of 51186059157 in words is "fifty-one billion, one hundred eighty-six million, fifty-nine thousand, one hundred fifty-seven".