51158811886414 has 4 divisors (see below), whose sum is σ = 76738217829624. Its totient is φ = 25579405943206.

The previous prime is 51158811886289. The next prime is 51158811886417. The reversal of 51158811886414 is 41468811885115.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51158811886417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12789702971602 + ... + 12789702971605.

It is an arithmetic number, because the mean of its divisors is an integer number (19184554457406).

Almost surely, 2^{51158811886414} is an apocalyptic number.

51158811886414 is a deficient number, since it is larger than the sum of its proper divisors (25579405943210).

51158811886414 is a wasteful number, since it uses less digits than its factorization.

51158811886414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25579405943209.

The product of its digits is 9830400, while the sum is 61.

The spelling of 51158811886414 in words is "fifty-one trillion, one hundred fifty-eight billion, eight hundred eleven million, eight hundred eighty-six thousand, four hundred fourteen".