251345113006 has 16 divisors (see below), whose sum is σ = 409216034304. Its totient is φ = 115092006624.

The previous prime is 251345112971. The next prime is 251345113007. The reversal of 251345113006 is 600311543152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251345113007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38056225 + ... + 38062828.

It is an arithmetic number, because the mean of its divisors is an integer number (25576002144).

Almost surely, 2^251345113006 is an apocalyptic number.

251345113006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

251345113006 is a deficient number, since it is larger than the sum of its proper divisors (157870921298).

251345113006 is a wasteful number, since it uses less digits than its factorization.

251345113006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76119195.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 251345113006 its reverse (600311543152), we get a palindrome (851656656158).

The spelling of 251345113006 in words is "two hundred fifty-one billion, three hundred forty-five million, one hundred thirteen thousand, six".