11387761012 has 12 divisors (see below), whose sum is σ = 20795042016. Its totient is φ = 5446320440.

The previous prime is 11387761001. The next prime is 11387761013. The reversal of 11387761012 is 21016778311.

11387761012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11387761012² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11387761013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61889914 + ... + 61890097.

It is an arithmetic number, because the mean of its divisors is an integer number (1732920168).

Almost surely, 2^11387761012 is an apocalyptic number.

It is an amenable number.

11387761012 is a deficient number, since it is larger than the sum of its proper divisors (9407281004).

11387761012 is a wasteful number, since it uses less digits than its factorization.

11387761012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123780038 (or 123780036 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 37.

The spelling of 11387761012 in words is "eleven billion, three hundred eighty-seven million, seven hundred sixty-one thousand, twelve".