1131653605501 has 8 divisors (see below), whose sum is σ = 1201756043520. Its totient is φ = 1062605339712.

The previous prime is 1131653605469. The next prime is 1131653605529. The reversal of 1131653605501 is 1055063561311.

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 1131653605501 - 2⁵ = 1131653605469 is a prime.

It is a super-2 number, since 2×1131653605501² (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 (1131653605531) 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, 263540845 + ... + 263545138.

It is an arithmetic number, because the mean of its divisors is an integer number (150219505440).

Almost surely, 2^{1131653605501} is an apocalyptic number.

It is an amenable number.

1131653605501 is a deficient number, since it is larger than the sum of its proper divisors (70102438019).

1131653605501 is a wasteful number, since it uses less digits than its factorization.

1131653605501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527086115.

The product of its (nonzero) digits is 40500, while the sum is 37.

The spelling of 1131653605501 in words is "one trillion, one hundred thirty-one billion, six hundred fifty-three million, six hundred five thousand, five hundred one".