51340354067258 has 32 divisors (see below), whose sum is σ = 81618618528720. Its totient is φ = 24177678336000.

The previous prime is 51340354067231. The next prime is 51340354067291. The reversal of 51340354067258 is 85276045304315.

It can be written as a sum of positive squares in 8 ways, for example, as 78233768209 + 51262120299049 = 279703^2 + 7159757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19299038 + ... + 21797558.

Almost surely, 2^{51340354067258} is an apocalyptic number.

51340354067258 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

51340354067258 is a deficient number, since it is larger than the sum of its proper divisors (30278264461462).

51340354067258 is a wasteful number, since it uses less digits than its factorization.

51340354067258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507234.

The product of its (nonzero) digits is 12096000, while the sum is 53.

The spelling of 51340354067258 in words is "fifty-one trillion, three hundred forty billion, three hundred fifty-four million, sixty-seven thousand, two hundred fifty-eight".