1061551001546 has 24 divisors (see below), whose sum is σ = 1856298899520. Its totient is φ = 453967795512.

The previous prime is 1061551001543. The next prime is 1061551001551. The reversal of 1061551001546 is 6451001551601.

It is a happy number.

It is a super-2 number, since 2×1061551001546² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1061551001543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11652416 + ... + 11743163.

It is an arithmetic number, because the mean of its divisors is an integer number (77345787480).

Almost surely, 2^{1061551001546} is an apocalyptic number.

1061551001546 is a deficient number, since it is larger than the sum of its proper divisors (794747897974).

1061551001546 is a wasteful number, since it uses less digits than its factorization.

1061551001546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23396058 (or 23396051 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 1061551001546 in words is "one trillion, sixty-one billion, five hundred fifty-one million, one thousand, five hundred forty-six".