1012251515641 has 16 divisors (see below), whose sum is σ = 1018998066240. Its totient is φ = 1005530901760.

The previous prime is 1012251515609. The next prime is 1012251515647. The reversal of 1012251515641 is 1465151522101.

It is a cyclic number.

It is not a de Polignac number, because 1012251515641 - 2⁵ = 1012251515609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012251515597 and 1012251515606.

It is not an unprimeable number, because it can be changed into a prime (1012251515647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264086661 + ... + 264090493.

It is an arithmetic number, because the mean of its divisors is an integer number (63687379140).

Almost surely, 2^{1012251515641} is an apocalyptic number.

It is an amenable number.

1012251515641 is a deficient number, since it is larger than the sum of its proper divisors (6746550599).

1012251515641 is a wasteful number, since it uses less digits than its factorization.

1012251515641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6776.

The product of its (nonzero) digits is 12000, while the sum is 34.

The spelling of 1012251515641 in words is "one trillion, twelve billion, two hundred fifty-one million, five hundred fifteen thousand, six hundred forty-one".