51011151265046 has 32 divisors (see below), whose sum is σ = 88782104014848. Its totient is φ = 21529031539680.

The previous prime is 51011151265021. The next prime is 51011151265049. The reversal of 51011151265046 is 64056215111015.

It is a super-2 number, since 2×51011151265046² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51011151265049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28875125 + ... + 30590768.

It is an arithmetic number, because the mean of its divisors is an integer number (2774440750464).

Almost surely, 2^{51011151265046} is an apocalyptic number.

51011151265046 is a deficient number, since it is larger than the sum of its proper divisors (37770952749802).

51011151265046 is a wasteful number, since it uses less digits than its factorization.

51011151265046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59466836.

The product of its (nonzero) digits is 36000, while the sum is 38.

The spelling of 51011151265046 in words is "fifty-one trillion, eleven billion, one hundred fifty-one million, two hundred sixty-five thousand, forty-six".