11863074690 has 48 divisors (see below), whose sum is σ = 30850150968. Its totient is φ = 3162855168.

The previous prime is 11863074677. The next prime is 11863074697. The reversal of 11863074690 is 9647036811.

It is a happy number.

11863074690 is a `hidden beast` number, since 1 + 1 + 8 + 630 + 7 + 4 + 6 + 9 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11521231569 + 341843121 = 107337^2 + 18489^2 .

It is a super-2 number, since 2×11863074690² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11863074697) 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 23 ways as a sum of consecutive naturals, for example, 596182 + ... + 615758.

Almost surely, 2^11863074690 is an apocalyptic number.

11863074690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11863074690 is an abundant number, since it is smaller than the sum of its proper divisors (18987076278).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11863074690 is a wasteful number, since it uses less digits than its factorization.

11863074690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26323 (or 26320 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 11863074690 in words is "eleven billion, eight hundred sixty-three million, seventy-four thousand, six hundred ninety".