11731451661010 has 16 divisors (see below), whose sum is σ = 21310343386200. Its totient is φ = 4649529465216.

The previous prime is 11731451661001. The next prime is 11731451661047. The reversal of 11731451661010 is 1016615413711.

It can be written as a sum of positive squares in 4 ways, for example, as 10758839524489 + 972612136521 = 3280067^2 + 986211^2 .

It is a super-2 number, since 2×11731451661010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5381398755 + ... + 5381400934.

Almost surely, 2^{11731451661010} is an apocalyptic number.

11731451661010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11731451661010 is a deficient number, since it is larger than the sum of its proper divisors (9578891725190).

11731451661010 is a wasteful number, since it uses less digits than its factorization.

11731451661010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10762799805.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 11731451661010 in words is "eleven trillion, seven hundred thirty-one billion, four hundred fifty-one million, six hundred sixty-one thousand, ten".