1061690613091 has 8 divisors (see below), whose sum is σ = 1067565312000. Its totient is φ = 1055821310280.

The previous prime is 1061690613077. The next prime is 1061690613121. The reversal of 1061690613091 is 1903160961601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1061690613091 - 2⁵ = 1061690613059 is a prime.

It is a super-2 number, since 2×1061690613091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061690610091) 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, 954115 + ... + 1741756.

It is an arithmetic number, because the mean of its divisors is an integer number (133445664000).

Almost surely, 2^{1061690613091} is an apocalyptic number.

1061690613091 is a deficient number, since it is larger than the sum of its proper divisors (5874698909).

1061690613091 is a wasteful number, since it uses less digits than its factorization.

1061690613091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2698049.

The product of its (nonzero) digits is 52488, while the sum is 43.

The spelling of 1061690613091 in words is "one trillion, sixty-one billion, six hundred ninety million, six hundred thirteen thousand, ninety-one".