1025512131344 has 40 divisors (see below), whose sum is σ = 2003131219968. Its totient is φ = 508577287680.

The previous prime is 1025512131337. The next prime is 1025512131383. The reversal of 1025512131344 is 4431312155201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025512131344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7444049 + ... + 7580559.

Almost surely, 2^{1025512131344} is an apocalyptic number.

It is an amenable number.

1025512131344 is a deficient number, since it is larger than the sum of its proper divisors (977619088624).

1025512131344 is a wasteful number, since it uses less digits than its factorization.

1025512131344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140343 (or 140337 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 1025512131344 its reverse (4431312155201), we get a palindrome (5456824286545).

The spelling of 1025512131344 in words is "one trillion, twenty-five billion, five hundred twelve million, one hundred thirty-one thousand, three hundred forty-four".