51153766025 has 24 divisors (see below), whose sum is σ = 66875332800. Its totient is φ = 38707502400.

The previous prime is 51153766019. The next prime is 51153766051. The reversal of 51153766025 is 52066735115.

It is not a de Polignac number, because 51153766025 - 2¹⁰ = 51153765001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214391 + ... + 385059.

It is an arithmetic number, because the mean of its divisors is an integer number (2786472200).

Almost surely, 2^51153766025 is an apocalyptic number.

It is an amenable number.

51153766025 is a deficient number, since it is larger than the sum of its proper divisors (15721566775).

51153766025 is a wasteful number, since it uses less digits than its factorization.

51153766025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171329 (or 171324 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 51153766025 in words is "fifty-one billion, one hundred fifty-three million, seven hundred sixty-six thousand, twenty-five".