511250142005 has 16 divisors (see below), whose sum is σ = 652667056704. Its totient is φ = 383116903680.

The previous prime is 511250141999. The next prime is 511250142023. The reversal of 511250142005 is 500241052115.

It is not a de Polignac number, because 511250142005 - 2³⁸ = 236372235061 is a prime.

It is a super-2 number, since 2×511250142005² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 14234927 + ... + 14270796.

It is an arithmetic number, because the mean of its divisors is an integer number (40791691044).

Almost surely, 2^511250142005 is an apocalyptic number.

It is an amenable number.

511250142005 is a deficient number, since it is larger than the sum of its proper divisors (141416914699).

511250142005 is a wasteful number, since it uses less digits than its factorization.

511250142005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28505956.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 511250142005 in words is "five hundred eleven billion, two hundred fifty million, one hundred forty-two thousand, five".