251223242322152 has 16 divisors (see below), whose sum is σ = 498752025198660. Its totient is φ = 118222702269184.

The previous prime is 251223242322127. The next prime is 251223242322197.

251223242322152 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 230467801119556 + 20755441202596 = 15181166^2 + 4555814^2 .

It is a super-2 number, since 2×251223242322152² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923614861343 + ... + 923614861614.

Almost surely, 2^{251223242322152} is an apocalyptic number.

It is an amenable number.

251223242322152 is a deficient number, since it is larger than the sum of its proper divisors (247528782876508).

251223242322152 is a wasteful number, since it uses less digits than its factorization.

251223242322152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847229722980 (or 1847229722976 counting only the distinct ones).

The product of its digits is 230400, while the sum is 38.

The spelling of 251223242322152 in words is "two hundred fifty-one trillion, two hundred twenty-three billion, two hundred forty-two million, three hundred twenty-two thousand, one hundred fifty-two".