11487406690 has 16 divisors (see below), whose sum is σ = 20687559480. Its totient is φ = 4592689920.

The previous prime is 11487406643. The next prime is 11487406709. The reversal of 11487406690 is 9660478411.

It can be written as a sum of positive squares in 4 ways, for example, as 11188773729 + 298632961 = 105777^2 + 17281^2 .

It is a super-2 number, since 2×11487406690² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11487406690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262791 + ... + 303370.

Almost surely, 2^11487406690 is an apocalyptic number.

11487406690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11487406690 is a deficient number, since it is larger than the sum of its proper divisors (9200152790).

11487406690 is a wasteful number, since it uses less digits than its factorization.

11487406690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568197.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 11487406690 in words is "eleven billion, four hundred eighty-seven million, four hundred six thousand, six hundred ninety".