10251111042131 has 4 divisors (see below), whose sum is σ = 10255085884200. Its totient is φ = 10247136200064.

The previous prime is 10251111042103. The next prime is 10251111042143. The reversal of 10251111042131 is 13124011115201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10251111042131 is a prime.

It is a super-2 number, since 2×10251111042131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10251111042097 and 10251111042106.

It is not an unprimeable number, because it can be changed into a prime (10251111062131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1987417166 + ... + 1987422323.

It is an arithmetic number, because the mean of its divisors is an integer number (2563771471050).

Almost surely, 2^{10251111042131} is an apocalyptic number.

10251111042131 is a deficient number, since it is larger than the sum of its proper divisors (3974842069).

10251111042131 is an equidigital number, since it uses as much as digits as its factorization.

10251111042131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3974842068.

The product of its (nonzero) digits is 240, while the sum is 23.

Adding to 10251111042131 its reverse (13124011115201), we get a palindrome (23375122157332).

The spelling of 10251111042131 in words is "ten trillion, two hundred fifty-one billion, one hundred eleven million, forty-two thousand, one hundred thirty-one".