1011351443125 has 80 divisors (see below), whose sum is σ = 1336715614080. Its totient is φ = 763408800000.

The previous prime is 1011351443107. The next prime is 1011351443189. The reversal of 1011351443125 is 5213441531101.

It is a happy number.

It is not a de Polignac number, because 1011351443125 - 2⁵ = 1011351443093 is a prime.

It is a super-2 number, since 2×1011351443125² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 445724491 + ... + 445726759.

It is an arithmetic number, because the mean of its divisors is an integer number (16708945176).

Almost surely, 2^{1011351443125} is an apocalyptic number.

It is an amenable number.

1011351443125 is a deficient number, since it is larger than the sum of its proper divisors (325364170955).

1011351443125 is a wasteful number, since it uses less digits than its factorization.

1011351443125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2705 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1011351443125 its reverse (5213441531101), we get a palindrome (6224792974226).

The spelling of 1011351443125 in words is "one trillion, eleven billion, three hundred fifty-one million, four hundred forty-three thousand, one hundred twenty-five".