512135415505154 has 32 divisors (see below), whose sum is σ = 886334196316800. Its totient is φ = 217391178827520.

The previous prime is 512135415505031. The next prime is 512135415505199. The reversal of 512135415505154 is 451505514531215.

It is a super-2 number, since 2×512135415505154² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 512135415505099 and 512135415505108.

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, 59050007 + ... + 67165274.

It is an arithmetic number, because the mean of its divisors is an integer number (27697943634900).

Almost surely, 2^{512135415505154} is an apocalyptic number.

512135415505154 is a deficient number, since it is larger than the sum of its proper divisors (374198780811646).

512135415505154 is a wasteful number, since it uses less digits than its factorization.

512135415505154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126218058.

The product of its (nonzero) digits is 1500000, while the sum is 47.

The spelling of 512135415505154 in words is "five hundred twelve trillion, one hundred thirty-five billion, four hundred fifteen million, five hundred five thousand, one hundred fifty-four".