11887742053 has 8 divisors (see below), whose sum is σ = 13002310656. Its totient is φ = 10778817600.

The previous prime is 11887742047. The next prime is 11887742059. The reversal of 11887742053 is 35024778811.

It is an interprime number because it is at equal distance from previous prime (11887742047) and next prime (11887742059).

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 11887742053 - 2¹⁷ = 11887610981 is a prime.

It is a super-2 number, since 2×11887742053² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11887741994 and 11887742012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11887742059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406628 + ... + 1415053.

It is an arithmetic number, because the mean of its divisors is an integer number (1625288832).

Almost surely, 2^11887742053 is an apocalyptic number.

It is an amenable number.

11887742053 is a deficient number, since it is larger than the sum of its proper divisors (1114568603).

11887742053 is a wasteful number, since it uses less digits than its factorization.

11887742053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822075.

The product of its (nonzero) digits is 376320, while the sum is 46.

The spelling of 11887742053 in words is "eleven billion, eight hundred eighty-seven million, seven hundred forty-two thousand, fifty-three".