11681554214737 has 8 divisors (see below), whose sum is σ = 13054331096352. Its totient is φ = 10360580234400.

The previous prime is 11681554214711. The next prime is 11681554214767. The reversal of 11681554214737 is 73741245518611.

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

It is not a de Polignac number, because 11681554214737 - 2²³ = 11681545826129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11681554214767) 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, 12950724843 + ... + 12950725744.

It is an arithmetic number, because the mean of its divisors is an integer number (1631791387044).

Almost surely, 2^{11681554214737} is an apocalyptic number.

It is an amenable number.

11681554214737 is a deficient number, since it is larger than the sum of its proper divisors (1372776881615).

11681554214737 is a wasteful number, since it uses less digits than its factorization.

11681554214737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25901450639.

The product of its digits is 5644800, while the sum is 55.

The spelling of 11681554214737 in words is "eleven trillion, six hundred eighty-one billion, five hundred fifty-four million, two hundred fourteen thousand, seven hundred thirty-seven".