1131655701 has 16 divisors (see below), whose sum is σ = 1648848960. Its totient is φ = 684683520.

The previous prime is 1131655697. The next prime is 1131655703. The reversal of 1131655701 is 1075561311.

It is not a de Polignac number, because 1131655701 - 2² = 1131655697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131655703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9346 + ... + 48483.

It is an arithmetic number, because the mean of its divisors is an integer number (103053060).

Almost surely, 2^1131655701 is an apocalyptic number.

1131655701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131655701 is a deficient number, since it is larger than the sum of its proper divisors (517193259).

1131655701 is a wasteful number, since it uses less digits than its factorization.

1131655701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58436.

The product of its (nonzero) digits is 3150, while the sum is 30.

The square root of 1131655701 is about 33640.0906806150. The cubic root of 1131655701 is about 1042.0889046150.

The spelling of 1131655701 in words is "one billion, one hundred thirty-one million, six hundred fifty-five thousand, seven hundred one".