1061611151607 has 8 divisors (see below), whose sum is σ = 1572757261680. Its totient is φ = 707740767720.

The previous prime is 1061611151563. The next prime is 1061611151609. The reversal of 1061611151607 is 7061511161601.

It is a happy number.

1061611151607 is a `hidden beast` number, since 1 + 0 + 616 + 11 + 15 + 16 + 0 + 7 = 666.

It is not a de Polignac number, because 1061611151607 - 2⁷ = 1061611151479 is a prime.

It is a super-2 number, since 2×1061611151607² (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 (1061611151609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19659465744 + ... + 19659465797.

It is an arithmetic number, because the mean of its divisors is an integer number (196594657710).

Almost surely, 2^{1061611151607} is an apocalyptic number.

1061611151607 is a deficient number, since it is larger than the sum of its proper divisors (511146110073).

1061611151607 is an equidigital number, since it uses as much as digits as its factorization.

1061611151607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39318931550 (or 39318931544 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 36.

The spelling of 1061611151607 in words is "one trillion, sixty-one billion, six hundred eleven million, one hundred fifty-one thousand, six hundred seven".