11490087543 has 32 divisors (see below), whose sum is σ = 16976742912. Its totient is φ = 6854544000.

The previous prime is 11490087541. The next prime is 11490087589. The reversal of 11490087543 is 34578009411.

It is a happy number.

It is not a de Polignac number, because 11490087543 - 2¹ = 11490087541 is a prime.

It is a super-2 number, since 2×11490087543² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11490087495 and 11490087504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11490087541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566646 + ... + 586572.

It is an arithmetic number, because the mean of its divisors is an integer number (530523216).

Almost surely, 2^11490087543 is an apocalyptic number.

11490087543 is a deficient number, since it is larger than the sum of its proper divisors (5486655369).

11490087543 is a wasteful number, since it uses less digits than its factorization.

11490087543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20215.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 11490087543 in words is "eleven billion, four hundred ninety million, eighty-seven thousand, five hundred forty-three".