1012154011025 has 24 divisors (see below), whose sum is σ = 1258962363960. Its totient is φ = 807215016960.

The previous prime is 1012154010983. The next prime is 1012154011073. The reversal of 1012154011025 is 5201104512101.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 109500104464 + 902653906561 = 330908^2 + 950081^2 .

It is not a de Polignac number, because 1012154011025 - 2²⁰ = 1012152962449 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17608031 + ... + 17665419.

It is an arithmetic number, because the mean of its divisors is an integer number (52456765165).

Almost surely, 2^{1012154011025} is an apocalyptic number.

It is an amenable number.

1012154011025 is a deficient number, since it is larger than the sum of its proper divisors (246808352935).

1012154011025 is a wasteful number, since it uses less digits than its factorization.

1012154011025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59573 (or 59568 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

Adding to 1012154011025 its reverse (5201104512101), we get a palindrome (6213258523126).

The spelling of 1012154011025 in words is "one trillion, twelve billion, one hundred fifty-four million, eleven thousand, twenty-five".