1061154135207 has 12 divisors (see below), whose sum is σ = 1555655482680. Its totient is φ = 696877342128.

The previous prime is 1061154135203. The next prime is 1061154135221. The reversal of 1061154135207 is 7025314511601.

1061154135207 is a `hidden beast` number, since 1 + 0 + 6 + 115 + 4 + 13 + 520 + 7 = 666.

It is not a de Polignac number, because 1061154135207 - 2² = 1061154135203 is a prime.

It is a super-2 number, since 2×1061154135207² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061154135203) 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 11 ways as a sum of consecutive naturals, for example, 879895032 + ... + 879896237.

It is an arithmetic number, because the mean of its divisors is an integer number (129637956890).

Almost surely, 2^{1061154135207} is an apocalyptic number.

1061154135207 is a deficient number, since it is larger than the sum of its proper divisors (494501347473).

1061154135207 is a wasteful number, since it uses less digits than its factorization.

1061154135207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1759791342 (or 1759791339 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

Adding to 1061154135207 its reverse (7025314511601), we get a palindrome (8086468646808).

The spelling of 1061154135207 in words is "one trillion, sixty-one billion, one hundred fifty-four million, one hundred thirty-five thousand, two hundred seven".