511142656260054 has 64 divisors (see below), whose sum is σ = 1258209744422400. Its totient is φ = 134805521894400.

The previous prime is 511142656260013. The next prime is 511142656260101. The reversal of 511142656260054 is 450062656241115.

It is a happy number.

It is a super-2 number, since 2×511142656260054² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511142656259985 and 511142656260012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51279654 + ... + 60430854.

It is an arithmetic number, because the mean of its divisors is an integer number (19659527256600).

Almost surely, 2^{511142656260054} is an apocalyptic number.

511142656260054 is an abundant number, since it is smaller than the sum of its proper divisors (747067088162346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511142656260054 is a wasteful number, since it uses less digits than its factorization.

511142656260054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9253525.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 511142656260054 in words is "five hundred eleven trillion, one hundred forty-two billion, six hundred fifty-six million, two hundred sixty thousand, fifty-four".