51435242451052 has 12 divisors (see below), whose sum is σ = 90011725140960. Its totient is φ = 25717606696496.

The previous prime is 51435242451031. The next prime is 51435242451053. The reversal of 51435242451052 is 25015424253415.

It is not an unprimeable number, because it can be changed into a prime (51435242451053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10110333 + ... + 14320939.

It is an arithmetic number, because the mean of its divisors is an integer number (7500977095080).

Almost surely, 2^{51435242451052} is an apocalyptic number.

It is an amenable number.

51435242451052 is a deficient number, since it is larger than the sum of its proper divisors (38576482689908).

51435242451052 is a wasteful number, since it uses less digits than its factorization.

51435242451052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7264520 (or 7264518 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 51435242451052 in words is "fifty-one trillion, four hundred thirty-five billion, two hundred forty-two million, four hundred fifty-one thousand, fifty-two".