1012616554451 has 16 divisors (see below), whose sum is σ = 1081621939200. Its totient is φ = 945232037568.

The previous prime is 1012616554343. The next prime is 1012616554483. The reversal of 1012616554451 is 1544556162101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012616554451 is a prime.

It is a super-2 number, since 2×1012616554451² (a number of 25 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 = 1012616554399 and 1012616554408.

It is not an unprimeable number, because it can be changed into a prime (1012616514451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38351 + ... + 1423623.

It is an arithmetic number, because the mean of its divisors is an integer number (67601371200).

Almost surely, 2^{1012616554451} is an apocalyptic number.

1012616554451 is a deficient number, since it is larger than the sum of its proper divisors (69005384749).

1012616554451 is a wasteful number, since it uses less digits than its factorization.

1012616554451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385858.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 1012616554451 in words is "one trillion, twelve billion, six hundred sixteen million, five hundred fifty-four thousand, four hundred fifty-one".