51116501001545 has 8 divisors (see below), whose sum is σ = 70102629945024. Its totient is φ = 35051314972464.

The previous prime is 51116501001529. The next prime is 51116501001569. The reversal of 51116501001545 is 54510010561115.

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

It is not a de Polignac number, because 51116501001545 - 2⁴ = 51116501001529 is a prime.

It is a super-2 number, since 2×51116501001545² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1460471457187 = 51116501001545 / (5 + 1 + 1 + 1 + 6 + 5 + 0 + 1 + 0 + 0 + 1 + 5 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

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, 730235728559 + ... + 730235728628.

It is an arithmetic number, because the mean of its divisors is an integer number (8762828743128).

Almost surely, 2^{51116501001545} is an apocalyptic number.

It is an amenable number.

51116501001545 is a deficient number, since it is larger than the sum of its proper divisors (18986128943479).

51116501001545 is a wasteful number, since it uses less digits than its factorization.

51116501001545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460471457199.

The product of its (nonzero) digits is 15000, while the sum is 35.

The spelling of 51116501001545 in words is "fifty-one trillion, one hundred sixteen billion, five hundred one million, one thousand, five hundred forty-five".