51009300148 has 6 divisors (see below), whose sum is σ = 89266275266. Its totient is φ = 25504650072.

The previous prime is 51009300143. The next prime is 51009300161. The reversal of 51009300148 is 84100390015.

It can be written as a sum of positive squares in only one way, i.e., 39367321744 + 11641978404 = 198412^2 + 107898^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51009300143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376162515 + ... + 6376162522.

Almost surely, 2^51009300148 is an apocalyptic number.

It is an amenable number.

51009300148 is a deficient number, since it is larger than the sum of its proper divisors (38256975118).

51009300148 is a wasteful number, since it uses less digits than its factorization.

51009300148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12752325041 (or 12752325039 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 51009300148 in words is "fifty-one billion, nine million, three hundred thousand, one hundred forty-eight".