51151231115498 has 16 divisors (see below), whose sum is σ = 77649046303680. Its totient is φ = 25268660868000.

The previous prime is 51151231115443. The next prime is 51151231115531. The reversal of 51151231115498 is 89451113215115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111066278 + ... + 111525873.

It is an arithmetic number, because the mean of its divisors is an integer number (4853065393980).

Almost surely, 2^{51151231115498} is an apocalyptic number.

51151231115498 is a deficient number, since it is larger than the sum of its proper divisors (26497815188182).

51151231115498 is a wasteful number, since it uses less digits than its factorization.

51151231115498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222593533.

The product of its digits is 216000, while the sum is 47.

The spelling of 51151231115498 in words is "fifty-one trillion, one hundred fifty-one billion, two hundred thirty-one million, one hundred fifteen thousand, four hundred ninety-eight".